East Inlet Trail

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This information is a public record of the 2026 NRT application and may be out of date if it has not been updated by a trail manager --
check with the trail manager for updated details before visiting.

East Inlet Trail

National Park Service Backcountry Trail Frontcountry Trail
  • Length
    11 miles
  • Elevation Gain
    2600
  • Route Type
    out & back

A stunning west-side trail of Rocky Mountain National Park that follows East Inlet past the iconic Adams Falls and into a pristine subalpine and alpine lake basin. The trail offers exceptional access to lakes, wildlife habitat, and wilderness.

Location: Begins at the East Inlet Trailhead near Grand Lake, Colorado and travels upstream through the East Inlet drainage, passing Adams Falls and continuing to Fourth Lake.

  • States: Colorado
  • Counties: Grand
  • Cities/Townships: None. Closest gateway community: Grand Lake, CO

The East Inlet Trail is one of Rocky Mountain National Park’s signature west-side hiking corridors. Beginning just outside the town of Grand Lake, the trail travels through lodgepole pine forest and connects immediately to the popular spur to Adams Falls, a cascade and one of the most visited features in the Colorado River District. Beyond Adams Falls, the trail steadily transitions into tranquil meadows, riparian wetlands, and glacially carved terrain as it follows East Inlet Creek toward a chain of remote subalpine lakes.

The corridor provides access to Lone Pine Lake, Lake Verna, Spirit Lake, Third Lake, and ultimately Fourth Lake, offering progressively more rugged and wilderness-oriented experiences. The trail serves a broad spectrum of users from families enjoying the short hike to Adams Falls to backcountry travelers seeking deep wilderness immersion. Wildlife sightings are common, including moose, elk, and migratory birds, offering valuable opportunities for natural observation. There are eight wilderness backcountry campsite locations along the trail for visitors to experience the trail overnight.

The trail is part of the Colorado River District Trail System and lies within designated wilderness, where natural processes shape the visitor experience. This corridor is maintained to preserve primitive character while providing safe, sustainable access. The East Inlet Trail is open year-round, though winter travel conditions may vary significantly. The trailhead features an informational kiosk with wilderness boundary messaging, Leave No Trace ethics, and safety information.

Accessibility Information

The trail includes a short, moderately accessible segment to the Adams Falls viewing area. Beyond this point, the corridor transitions into backcountry and wilderness terrain that is not accessible to all users.Accessible features have been designed and constructed into the East Meadow campsite to make the location more usable for all overnight users.

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Allowed Uses:

Equestrian Hiking/Walking Snow, cross-country skiing Snow, snowshoeing Trail running

Other Activities

  • Camping
  • Fishing
  • Heritage and history
  • Rock climbing
  • Snow, snow play general
  • Wildlife viewing / observation

Public Contact

Kyle Patterson, Public Information Officer
National Park Service
Rocky Mountain National Park
1000 US Highway 36
Estes Park, CO 80517
[email protected]

More Details

  • Elevation (low): 8390
  • Elevation (high): 10850
  • Elevation (cumulative): 2600

  • Part of a Trail System? Yes
  • System Name: Colorado River District Trail System
  • System Length: 150 miles
  • National Designations: Located within Rocky Mountain National Park and designated Wilderness
  • Surface (primary): Soil
  • Surfaces (additional): Rock, boulders, Rock, smooth, Snow or ice

  • Tread Width (average): 30"
  • Tread Width (minimum): 18
  • Running length (minimum): 13200

  • Tread Grade (average, percent): 7
  • Tread Grade (maximum): 22
  • Running length (maximum): 500

  • Cross-slope (average, percent): 4
  • Cross-slope (maximum): 12
  • Running length (maximum): 300
  • Certified as an NRT
    Jun 5, 2026
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