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Boulder County, Colorado, United States trails

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Warembourg Open Space fishing pond loop

United States > Colorado > Boulder County > Louisville

Distance: 1.0 mi • Elevation gain: 46 ft • Maximum elevation: 5,436 ft

Dry Creek trail loop

United States > Colorado > Boulder County

Distance: 1.4 mi • Elevation gain: 46 ft • Maximum elevation: 5,312 ft

Walker Ranch Loop Trail in Walker Ranch Park

United States > Colorado > Boulder County

The Walker Ranch Loop Trail near Boulder, Colorado, offers hikers a diverse journey through lush forests, open meadows, and along the South Boulder Creek. Along the path, you'll encounter historic remnants of old homesteads, providing a glimpse into the area's past. The trail also features impressive rock…

Distance: 7.6 mi • Elevation gain: 1,673 ft • Maximum elevation: 7,346 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

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

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

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

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

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

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

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

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

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

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

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

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

Lake Isabelle and Long Lake Loop

United States > Colorado > Boulder County

Indian Peaks Wilderness. #Hiking #Loop #Lake #River #Forest #Mountain #Nature

Distance: 5.5 mi • Elevation gain: 728 ft • Maximum elevation: 10,984 ft

Button Rock Dam Loop

United States > Colorado > Boulder County

Roosevelt National Forest. Button Rock Preserve. Ralph Price Reservoir. North Saint Vrain Creek. #Hiking #Loop #River #Lake #Forest #Mountain #Nature

Distance: 5.1 mi • Elevation gain: 1,024 ft • Maximum elevation: 6,647 ft

Crags Hotel Ruins and Continental Divide Overlook

United States > Colorado > Boulder County

Eldorado Canyon State Park. #Hiking #Snowshoes #Mountain #Forest #Nature

Distance: 2.9 mi • Elevation gain: 1,040 ft • Maximum elevation: 6,818 ft

Mount Sanitas and Sanitas Valley Loop Trail

United States > Colorado > Boulder County > Boulder

Boulder Open Space and Mountain Parks. #Hiking #Running #Loop #Mountain #Forest #Nature #City

Distance: 3.2 mi • Elevation gain: 1,243 ft • Maximum elevation: 6,762 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

Green Mountain

United States > Colorado > Boulder County

Boulder Open Space and Mountains Parks. #Hiking #Mountain #Forest #Nature

Distance: 3.9 mi • Elevation gain: 768 ft • Maximum elevation: 8,038 ft

Diamond Lake

United States > Colorado > Boulder County

Indian Peaks Wilderness Area. Roosevelt National Forest. #Hiking #Lake #Forest #Mountain #Nature

Distance: 5.4 mi • Elevation gain: 1,358 ft • Maximum elevation: 10,988 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

Crater Lakes via South Boulder Creek

United States > Colorado > Gilpin County > East Portal Distributed Camping Area

James Peak Protection Area. #Hiking #Lake #River #Forest #Mountain #Nature

Distance: 6.8 mi • Elevation gain: 1,834 ft • Maximum elevation: 11,037 ft

Lost Lake

United States > Colorado > Boulder County

Roosevelt National Forest. #Hiking #Lake #Mountain #Forest #River #Nature

Distance: 4.0 mi • Elevation gain: 846 ft • Maximum elevation: 9,803 ft

Boulder Running

United States > Colorado > Boulder County > Boulder

Distance: 5.1 mi • Elevation gain: 213 ft • Maximum elevation: 5,433 ft