Boulder trails
Click on a trail to view its statistics, map and profile.
Lower Calf Creek Falls Trail in Grand Staircase-Escalante National Monument
United States > Utah > Garfield County
The Lower Calf Creek Falls Trail in Grand Staircase-Escalante National Monument offers hikers a journey through high-walled canyons, verdant creekside vegetation, and historical artifacts. Along the path, one can observe ancient Fremont granaries and pictographs, as well as beaver dams and desert varnish on…
Distance: 5.9 mi • Elevation gain: 1,453 ft • Maximum elevation: 5,699 ft
Lake Isabelle, Long Lake, and Brainard Lake Loop in Indian Peaks Wilderness
United States > Colorado > Boulder County
The Lake Isabelle, Long Lake, and Brainard Lake Loop in Colorado's Indian Peaks Wilderness offers hikers a journey through diverse landscapes, including wildflower meadows, subalpine forests, and mountain vistas. Along the trail, one can observe Long Lake and Lake Isabelle, both set against a backdrop of…
Distance: 6.3 mi • Elevation gain: 781 ft • Maximum elevation: 10,955 ft
Three Sisters Falls Trail in Cleveland National Forest
United States > California > San Diego County
The Three Sisters Falls Trail in Cleveland National Forest offers hikers a challenging yet rewarding journey through diverse landscapes. The path descends into a rugged canyon, providing expansive views of the surrounding mountains and the Boulder Creek valley. Upon reaching the falls, hikers are greeted by…
Distance: 3.9 mi • Elevation gain: 968 ft • Maximum elevation: 2,917 ft
Bear Peak via Shanahan Trail and Fern Canyon Trail
United States > Colorado > Boulder County > Boulder
The Bear Peak hike via Shanahan and Fern Canyon Trails in City of Boulder Open Space and Mountain Parks offers a challenging ascent with rewarding panoramic views. Along the way, hikers encounter a steep climb through varied terrain, including rocky paths and dense forests. Upon reaching the summit, the vistas…
Distance: 4.9 mi • Elevation gain: 2,589 ft • Maximum elevation: 8,350 ft
Arch Rock Trail in Joshua Tree National Park
United States > California > Riverside County
The Arch Rock Trail in Joshua Tree National Park offers a brief yet rewarding hike, leading to the park's renowned Arch Rock. Along the way, hikers can observe unique rock formations, including the distinctive white tank boulders, and a variety of desert flora such as creosote bushes, ocotillo plants, various…
Distance: 1.3 mi • Elevation gain: 85 ft • Maximum elevation: 3,914 ft
Mary's Rock via Appalachian Trail in Shenandoah National Park
United States > Virginia > Page County
The hike to Mary's Rock via the Appalachian Trail in Shenandoah National Park offers a rewarding ascent through diverse forested landscapes, culminating in expansive vistas of the Blue Ridge Mountains, the Shenandoah Valley the rolling hills of the Piedmont region. Along the route, hikers can observe a variety…
Distance: 3.8 mi • Elevation gain: 1,365 ft • Maximum elevation: 3,425 ft
Heughs Canyon Trail to Heughs Creek Falls in Uinta-Wasatch-Cache National Forest
United States > Utah > Salt Lake County > Holladay
The Heughs Canyon Trail to the Heughs Creek Falls offers a serene escape into nature just outside Salt Lake City. The hike begins with a shaded, forested path where the sounds of a nearby creek accompany you. As you ascend, the trail becomes steeper, leading through rocky outcrops and wildflower-dotted…
Distance: 3.0 mi • Elevation gain: 1,329 ft • Maximum elevation: 6,214 ft
Flagstaff Mountain Loop via Gregory Canyon Trail, Range View Trail and Flagstaff Trail
United States > Colorado > Boulder County
The Flagstaff Mountain Loop offers a memorable hiking experience within Boulder’s iconic foothills. Along the route, hikers are treated to sweeping views of the Flatirons, the city of Boulder below, and lush forested areas, especially as the trail ascends towards Flagstaff Mountain. The diverse scenery…
Distance: 4.1 mi • Elevation gain: 1,237 ft • Maximum elevation: 6,946 ft
Chautauqua Trail in City of Boulder Open Space and Mountain Parks
United States > Colorado > Boulder County > Boulder
The Chautauqua Trail in Boulder, Colorado, offers a classic introduction to the city's beloved Flatirons. Starting at the historic Chautauqua Park, the trail ascends through a mix of open meadows and shaded pine forests, providing hikers with sweeping views of Boulder, the plains, and the towering rock…
Distance: 1.3 mi • Elevation gain: 479 ft • Maximum elevation: 6,178 ft
Blood Mountain via Byron Herbert Reece and Appalachian Trail
United States > Georgia > Union County
The hike to Blood Mountain via the Byron Herbert Reece Trail and Appalachian Trail offers a dynamic journey through lush forest canopies, rocky outcrops, and sweeping summit views. The route begins with a steady ascent through a valley lined with rhododendrons, ferns, and moss-covered boulders, eventually…
Distance: 4.3 mi • Elevation gain: 1,411 ft • Maximum elevation: 4,390 ft
Mount Sanitas and Sanitas Valley Loop
United States > Colorado > Boulder County > Boulder
The Mount Sanitas and Sanitas Valley Loop offers a rewarding hike with a combination of steep ascents, scenic overlooks, and diverse terrain. The route begins with the Sanitas Valley Trail, which meanders through open valleys, providing expansive views of the Boulder foothills. Once you begin the climb toward…
Distance: 3.2 mi • Elevation gain: 1,260 ft • Maximum elevation: 6,762 ft
Chautauqua, Bluebell-Baird and Bluebell Mesa Trails Loop in Boulder Open Space and Mountain Parks
United States > Colorado > Boulder County > Boulder
The Chautauqua, Bluebell-Baird, and Bluebell Mesa Trails Loop offers a scenic and diverse hiking experience near Boulder, Colorado. The route provides striking views of the Flatirons towering above open meadows and lush woodlands, while winding through shaded ponderosa pine forests and quiet meadows. Along the…
Distance: 1.5 mi • Elevation gain: 482 ft • Maximum elevation: 6,178 ft
Granite Mountain Trail in Mount Baker Snoqualmie National Forest
United States > Washington > King County
The Granite Mountain Trail, located near Snoqualmie Pass in Washington’s Mount Baker-Snoqualmie National Forest, offers an exhilarating hiking experience with remarkable views. As you ascend, you’ll pass through a lush forest before reaching exposed rocky meadows and the fire lookout that provide stunning…
Distance: 8.0 mi • Elevation gain: 3,760 ft • Maximum elevation: 5,561 ft
Mount Sanitas Trail in City of Boulder Open Space and Mountain Parks
United States > Colorado > Boulder County > Boulder
The Mount Sanitas Trail in Boulder offers a rewarding and scenic hike with stunning views of both the city and the rugged Front Range. As you ascend, you'll encounter a mix of wooded areas, rocky steps, and exposed ridges, with the summit providing panoramic vistas that include Boulder to the east and the…
Distance: 2.6 mi • Elevation gain: 1,230 ft • Maximum elevation: 6,762 ft
Mallory Cave Trail via NCAR Trail and Table Mountain
United States > Colorado > Boulder County > Boulder
The Mallory Cave Trail via the NCAR and Table Mountain offers a rewarding hike through Boulder’s iconic foothills. Starting from the NCAR campus, the trail winds through open meadows, offering striking views of the Flatirons and red rock formations. The final section involves a challenging scramble up to the…
Distance: 2.8 mi • Elevation gain: 932 ft • Maximum elevation: 6,824 ft
Mount Pilchuck Trail in Mount Baker-Snoqualmie National Forest
United States > Washington > Snohomish County
The Mount Pilchuck Trail offers hikers a challenging yet rewarding adventure through the forests and rocky terrain of Washington's Mount Baker-Snoqualmie National Forest. As you ascend, you'll experience a variety of landscapes, including dense old-growth forest, boulder fields, and expansive alpine meadows,…
Distance: 5.3 mi • Elevation gain: 2,178 ft • Maximum elevation: 5,249 ft
Lower Calf Creek Falls Trail in Grand Staircase-Escalante National Monument
United States > Utah > Garfield County > Boulder
The Lower Calf Creek Falls Trail offers a captivating desert hike, leading you through a landscape of red sandstone walls and shaded creekside areas. Along the route, you'll encounter unique features such as ancient rock art and Fremont culture granaries, adding an intriguing historical dimension to the…
Distance: 6.5 mi • Elevation gain: 1,542 ft • Maximum elevation: 5,696 ft
Mount Baker via Heliotrope Ridge Trail and Coleman-Deming Route
United States > Washington > Whatcom County
The Heliotrope Ridge Trail, followed by the Coleman-Deming Route, offers hikers and mountaineers a unique blend of challenging terrain and breathtaking vistas as they approach Mount Baker’s summit. As you ascend, the trail takes you past scenic alpine meadows and views of towering glaciers, particularly the…
Distance: 6.4 mi • Elevation gain: 7,106 ft • Maximum elevation: 10,719 ft
Franklin Falls via Denny Creek Road and Franklin Falls Trail
United States > Washington > King County > Rockdale
The Franklin Falls Trail is an enjoyable and scenic hike through the lush forests of the Mount Baker-Snoqualmie National Forest. As you make your way along the trail, you'll pass towering pines, moss-covered boulders, and the sounds of the South Fork Snoqualmie River, which provides a peaceful backdrop. The…
Distance: 8.6 mi • Elevation gain: 1,289 ft • Maximum elevation: 2,644 ft
Ryan Mountain Trail in Joshua Tree National Park
United States > California > Riverside County
The Ryan Mountain Trail offers an exhilarating climb with dramatic, sweeping views across the Mojave Desert. As hikers ascend, they are greeted by striking rock formations, including ancient granite boulders, and the iconic Joshua trees scattered throughout the park’s vast landscape. From the summit, the…
Distance: 2.9 mi • Elevation gain: 1,060 ft • Maximum elevation: 5,446 ft
Russel Point Loop via Castle Rock Falls, Emily Smith Observation Point, Goat Rock and Castle Rock
United States > California > Santa Cruz County
The Russell Point Loop at Castle Rock State Park offers a rewarding hike through diverse terrain, with views that include the rugged cliffs of Castle Rock, the cascading Castle Rock Falls, and the sweeping vistas from the Emily Smith Observation Point. As hikers progress, they are treated to panoramic views of…
Distance: 5.4 mi • Elevation gain: 1,532 ft • Maximum elevation: 3,153 ft
Green Mountain via Gregory Canyon Trail and Ranger Trail
United States > Colorado > Boulder County
The Green Mountain hike via Gregory Canyon and Ranger Trails offers a moderately challenging journey through varied terrain, with sweeping views of the Boulder Valley and surrounding peaks. Hikers will experience a mix of shaded forest paths, rocky ridgelines, and open meadows, culminating in panoramic vistas…
Distance: 2.8 mi • Elevation gain: 2,208 ft • Maximum elevation: 8,035 ft
Lake Stuart via Stuart Lake Trail in Alpine Lakes Wilderness
United States > Washington > Chelan County
The hike to Lake Stuart in the Alpine Lakes Wilderness offers a serene journey through lush forests, alongside Mountaineer Creek, and past impressive glacial boulders. The route gradually transitions from shaded woodland paths to expansive meadows that unveil stunning views of Mount Stuart towering above the…
Distance: 4.1 mi • Elevation gain: 1,765 ft • Maximum elevation: 5,118 ft
Little Wild Horse Canyon Trail in Muddy Creek Wilderness
United States > Utah > Emery County
The Little Wild Horse Canyon Trail offers an unforgettable journey through the rugged terrain of the San Rafael Swell. As you venture into the narrow slot canyon, the towering red rock walls gradually close in, creating an awe-inspiring atmosphere that contrasts with the wide, open desert landscapes at the…
Distance: 3.6 mi • Elevation gain: 1,312 ft • Maximum elevation: 5,535 ft
Vesper Peak via Sunrise Mine Trail in Mount Baker-Snoqualmie National Forest
United States > Washington > Snohomish County
The hike to Vesper Peak via the Sunrise Mine Trail offers a challenging and scenic adventure, where you'll experience a range of terrain types, from lush forests and expansive meadows to rocky slopes and boulder fields. As you climb, you'll be treated to panoramic views of surrounding peaks such as Morning…
Distance: 6.8 mi • Elevation gain: 4,065 ft • Maximum elevation: 6,181 ft
Forest Lakes Loop Trail in James Peak Wilderness Area
United States > Colorado > Gilpin County > East Portal Distributed Camping Area
The Forest Lakes Loop Trail offers a picturesque journey through the heart of the James Peak Wilderness Area. As you hike, you'll pass through serene aspen groves, rugged forested sections, and creekside paths, providing an immersive natural experience. The trail rewards adventurers with views of two stunning…
Distance: 6.5 mi • Elevation gain: 1,535 ft • Maximum elevation: 10,699 ft
Ramsey Cascades Trail in Great Smoky Mountains National Park
United States > Tennessee > Sevier County
The Ramsey Cascades Trail offers a picturesque yet demanding hike through lush old-growth forests. Along the way, hikers are treated to sights of towering trees, such as tulip poplars and yellow birches, alongside babbling creeks and moss-covered boulders. The journey culminates at the park's tallest…
Distance: 7.9 mi • Elevation gain: 2,260 ft • Maximum elevation: 4,337 ft
Gem Lake Trail in Rocky Mountain National Park
United States > Colorado > Larimer County
The Gem Lake Trail offers an enjoyable hike through varied terrain, taking visitors past grassy meadows, shaded forests, and rocky outcroppings. Once at Gem Lake, hikers are treated to panoramic views of the surrounding peaks, including Lumpy Ridge's granite formations, and can explore the lake's tranquil…
Distance: 2.9 mi • Elevation gain: 997 ft • Maximum elevation: 8,832 ft
Flume Gorge Loop Trail in Franconia Notch State Park
United States > New Hampshire > Grafton County > Lincoln
The Flume Gorge Loop Trail offers a captivating blend of natural beauty and geological wonders. Along the trail, visitors will pass through lush forests, marvel at moss-covered boulders, and witness cascading waterfalls, including the striking Avalanche Falls. The trail’s wooden boardwalks take hikers…
Distance: 2.1 mi • Elevation gain: 495 ft • Maximum elevation: 1,640 ft
Devil's Doorway and Balanced Rock Loop via Grottos Trail, East Bluff Trail and Balanced Rock Trail in Devil's Lake State Park
United States > Wisconsin > Sauk County
This loop offers hikers a spectacular journey through some of the most stunning landscapes in Devil's Lake State Park. Along this route, you will encounter dramatic rock formations, including the iconic Devil's Doorway, which provides breathtaking views of the lake and surrounding bluffs, and the Balanced…
Distance: 2.6 mi • Elevation gain: 522 ft • Maximum elevation: 1,424 ft
West Bluff Trail and Tumbled Rocks Trail Loop in Devil's Lake State Park
United States > Wisconsin > Sauk County
The West Bluff Trail and Tumbled Rocks Trail Loop offers a delightful hiking experience characterized by dramatic views of the Devil's Lake and striking geological features. Hikers can enjoy expansive vistas from the West Bluff, where rocky cliffs meet lush forests, and the tranquil shores of Devil's Lake are…
Distance: 3.1 mi • Elevation gain: 610 ft • Maximum elevation: 1,440 ft
Elk Mountain Trail in Charons Garden Wilderness Area
United States > Oklahoma > Comanche County
The Elk Mountain Trail offers a rewarding hiking experience with its gradual ascent leading to stunning panoramic views of the Wichita Mountains, Mount Lincoln and surrounding landscapes. Along the route, hikers can encounter unique geological features, including granite slabs and boulder formations, as well…
Distance: 2.3 mi • Elevation gain: 584 ft • Maximum elevation: 2,224 ft
Boulder Gorge Loop Trail in Schooley's Mountain County Park
United States > New Jersey > Morris County > Washington Township > Long Valley > Naughright
The Boulder Gorge Loop Trail offers a refreshing hike through New Jersey’s lush woodlands, leading past cascading waterfalls, rugged rock formations, and Lake George. The trail provides a scenic mix of forested paths and rocky sections that meander along Electric Brook, with viewpoints overlooking the gorge…
Distance: 2.3 mi • Elevation gain: 568 ft • Maximum elevation: 1,066 ft
Long Pond, Ell Pond and Ashville Pond Trail in Rockville Management Area
United States > Rhode Island > South County > Hopkinton
The trail covering Long Pond, Ell Pond, and Ashville Pond is known for its rugged terrain and beautiful landscapes. This trail winds through scenic woodlands with dense mountain laurel, rhododendrons, and large glacial boulders, giving it a wild, remote feel. Though parts of the trail require careful…
Distance: 4.9 mi • Elevation gain: 302 ft • Maximum elevation: 377 ft
Clark Creek Primitive Loop Trail in Clark Creek Natural Area
United States > Mississippi > Wilkinson County
The Clark Creek Primitive Loop Trail offers a rewarding hike through dense hardwood forests and rugged terrain, punctuated by a series of cascading waterfalls. As you navigate steep hills and cross over boulder-strewn creeks, the scenic beauty of loess bluff formations and shaded groves adds to the trail's…
Distance: 4.4 mi • Elevation gain: 689 ft • Maximum elevation: 423 ft
Boulder Bridge Loop via Valley Trail and Western Ridge Trail in Rock Creek Park and Piney Branch Parkway
The Boulder Bridge Loop offers a scenic hiking experience that combines wooded trails and picturesque views of Rock Creek, along with the historic Boulder Bridge built in 1902. This route provides an engaging blend of nature and history, suitable for both casual walkers and seasoned hikers. #Hiking #Loop…
Distance: 3.1 mi • Elevation gain: 318 ft • Maximum elevation: 338 ft
Southern Loop via Western Ridge Trail and Valley Trail in Rock Creek Park and Piney Branch Parkway
The Southern Loop via the Western Ridge Trail and Valley Trail offers a peaceful retreat from urban life, characterized by lush forests and scenic creek views. Hikers can enjoy diverse terrain, from rocky paths to smoother bridle trails, while encountering wildlife and historical features such as Boulder…
Distance: 5.8 mi • Elevation gain: 669 ft • Maximum elevation: 338 ft
Angel's Rest Trail in Columbia River Gorge National Scenic Area
United States > Oregon > Multnomah County > Bridal Veil
The Angel’s Rest Trail offers a rewarding hike with sweeping views of the Columbia River, surrounding mountains, and lush forests. As you ascend, the trail passes through forested sections with occasional stream crossings before opening up to vistas, especially after the landscape thinned from past…
Distance: 4.4 mi • Elevation gain: 1,598 ft • Maximum elevation: 1,565 ft
Ice Box, Falls Canyon, Bouder Canyon, Camel's Back, Punch Bowl, Rocky Hollow and Wedge Rock Loop from Suspension Bridge in Turkey Run State Park
United States > Indiana > Parke County
This hiking route through Turkey Run State Park, encompassing Ice Box, Falls Canyon, Boulder Canyon, Camel's Back, Punch Bowl, Rocky Hollow, and Wedge Rock Loop, offers an exhilarating experience for outdoor enthusiasts. This journey traverses rugged terrain marked by steep cliffs and unique geological…
Distance: 4.1 mi • Elevation gain: 456 ft • Maximum elevation: 705 ft
Big Schloss via Mill Mountain Trail in Wardensville Wildlife Management Area
United States > West Virginia > Hardy County
Hiking Big Schloss is a memorable journey through a ridge that reveals sweeping views of the Shenandoah Valley and the distant Great North Mountain. The trail weaves through dense hardwoods and rocky terrain, offering intermittent glimpses of the landscape before culminating in a summit with castle-like…
Distance: 4.4 mi • Elevation gain: 1,024 ft • Maximum elevation: 2,858 ft
Rattlesnake Ledge Trail in Cedar River Municipal Watershed
United States > Washington > King County
The Rattlesnake Ledge Trail offers a rewarding hiking experience with well-maintained paths that wind through lush forests, leading to stunning viewpoints over Rattlesnake Lake and the surrounding Cascade Mountains. The moderate incline is manageable for most hikers, providing ample opportunities to admire…
Distance: 5.5 mi • Elevation gain: 1,991 ft • Maximum elevation: 2,313 ft
Devil's Hall Trail in Guadalupe Mountains National Park
United States > Texas > Culberson County
The Devil's Hall Trail offers a delightful blend of adventure and stunning scenery! As you navigate the rocky terrain, you'll find yourself scrambling over boulders and encountering unique rock formations, making every step exciting. This trail is perfect for those looking for a moderately challenging hike…
Distance: 4.4 mi • Elevation gain: 974 ft • Maximum elevation: 6,539 ft
Twin Falls and Sculpture Falls along Austin's Barton Creek Greenbelt Trail
United States > Texas > Travis County > Austin
The Twin Falls and Sculpture Falls hike is a perfect blend of rugged adventure and natural beauty. This out-and-back trail takes you through shady, tree-covered paths, with rocky sections and boulders that make it fun and moderately challenging. The highlight is reaching the serene waterfalls—Twin Falls and…
Distance: 3.3 mi • Elevation gain: 194 ft • Maximum elevation: 610 ft
Delta Lake from Lupine Meadows Trailhead in Grand Teton National Park
United States > Wyoming > Teton County
This hike to Delta Lake is a challenging but rewarding adventure through stunning alpine scenery in Grand Teton National Park. Although the trail isn’t officially maintained, making the final stretch a bit tricky with some boulder scrambling, the crystal-clear lake at the top is absolutely worth the effort.…
Distance: 7.6 mi • Elevation gain: 2,395 ft • Maximum elevation: 9,052 ft
Lost Lake from Hessie Trailhead via Devil's Thumb Trail in Roosevelt National Forest
United States > Colorado > Boulder County
This trail offers a pleasant walk through forested terrain, with the steady sound of a nearby creek and a few waterfalls to enjoy along the way. The slightly uphill trail leads to Lost Lake, a peaceful spot that's perfect for a break before heading back. #Hiking #Mountain #Lake #River #Waterfall #Forest #Nature
Distance: 4.4 mi • Elevation gain: 879 ft • Maximum elevation: 9,820 ft
Royal Arch via Bluebell Hiking Trail, Royal Arch Trail and The Flatirons
United States > Colorado > Boulder County > Boulder
The Royal Arch Trail in Boulder offers a rewarding hike that leads you through a scenic forest with glimpses of the iconic Flatirons. While the ascent involves quite a few stairs, the effort pays off when you reach the stunning Royal Arch, where you can soak in this impressive rock formation up close. #Hiking…
Distance: 3.6 mi • Elevation gain: 1,266 ft • Maximum elevation: 6,906 ft
Route to Mount Neva in Roosevelt National Forest via Arapaho Pass Trail and Neva Lakes
United States > Colorado > Boulder County
Distance: 9.2 mi • Elevation gain: 3,166 ft • Maximum elevation: 12,812 ft
Lake Haiyaha via Nymph Lake and Dream Lake in the Rocky Mountain National Park
United States > Colorado > Larimer County
The hike to Lake Haiyaha offers a refreshing escape in Rocky Mountain National Park, starting from the Bear Lake Trailhead and winding through stunning landscapes, including the picturesque Nymph and Dream Lakes. While the trail is well-marked and mostly paved for the first part, it transitions into rugged…
Distance: 4.1 mi • Elevation gain: 974 ft • Maximum elevation: 10,230 ft
Mount Isolation, North Isolation and Gulf Peak
United States > New Hampshire > Coos County
Hike to Mount Isolation via Glen Boulder Trail, Gulf Peak, Davis Path, North Isolation and Isolation Trail in the White Mountain National Forest, the Pinkham North Scenic Area and the Presidential Range-Dry River Wilderness. #Hiking #Mountain #Nature #Forest #Wilderness
Distance: 10.8 mi • Elevation gain: 4,629 ft • Maximum elevation: 5,157 ft
Lone Eagle Peak - Pawnee Pass
United States > Colorado > Grand County
Lake Ganby, Monarch Lake, Crater Lake, Triangle Lake, Pawnee Lake, Lake Isabelle, Long Lake. Rocky Mountains. #Hiking #RockyMountains
Distance: 20.4 mi • Elevation gain: 6,581 ft • Maximum elevation: 12,546 ft
Anemone Point and Reflection Point Loop (Boulder)
United States > Colorado > Boulder County > Boulder
Loop hike from The Peoles' Crossing to Anemone Point and Reflection Point via Red Rocks Trail, Anemone Loop Trail and Red Rocks Spur Trail in the Boulder Open Space and Mountain Parks. #Hiking #Loop #Nature #Mountain #Forest #Park #Overlook
Distance: 4.8 mi • Elevation gain: 1,102 ft • Maximum elevation: 6,362 ft
West path Whatcom Falls south
United States > Washington > Whatcom County > Bellingham
Distance: 0.6 mi • Elevation gain: 52 ft • Maximum elevation: 233 ft
Boulder Running
United States > Colorado > Boulder County > Boulder
Distance: 5.1 mi • Elevation gain: 213 ft • Maximum elevation: 5,433 ft