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Greywacke Trail, Subduction Loop and Geraldine Lane loop walk in Mount Grant Preserve

  • Distance: 1.2 mi
  • Elevation gain: 167 ft
  • Maximum elevation: 489 ft
  • Elevation loss: 171 ft
  • Minimum elevation: 354 ft
  • Moving time: 39 m 19 s
  • Moving speed: 1.9 mph
  • Maximum speed: 3.8 mph
  • Total time: 48 m 50 s
  • Global speed: 1.5 mph

Interactive trail map

Trail profile

  • Distance: 1.2 mi
  • Elevation gain: 167 ft
  • Maximum elevation: 489 ft
  • Elevation loss: 171 ft
  • Minimum elevation: 354 ft
  • Moving time: 39 m 19 s
  • Moving speed: 1.9 mph
  • Maximum speed: 3.8 mph
  • Total time: 48 m 50 s
  • Global speed: 1.5 mph

About this trail

Name: Greywacke Trail, Subduction Loop and Geraldine Lane loop walk in Mount Grant Preserve trail, distance, elevation, map, profile, GPS track

Start: Mount Grant Road, San Juan County, Washington, United States (48.54462 -123.12182)

End: Mount Grant Road, San Juan County, Washington, United States (48.54451 -123.12163)

Coordinates: 48.53902 -123.12381 48.54465 -123.12116

Topography: San Juan County topographic map, elevation, terrain

Other hiking, mountain biking, running and outdoor activity trails

Click on a trail to view its statistics, map and profile.

Geraldine Lane in Mount Grant Preserve

United States > Washington > San Juan County

Distance: 1.3 mi • Elevation gain: 95 ft • Maximum elevation: 404 ft

Gear up for your next adventure:

🧺Microfiber Travel Towels - Compact and fast-drying towels for trail use
🛠️Backpacking Tool Kit - Essential toolkit for outdoor repairs
🎒Hydration Pack - Hands‑free water reservoir for long hikes
🗻Climbing Gear Basics - Essential gear for beginner climbers
🔌USB Car Charger - Car charger for on‑the‑go power needs

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