Backpacker Magazine Rocky Mountain National Park: Ypsilon Lake Loop 

On this 8.4-miler, you'll climb well-marked trails to the tentacle-like flanks of Ypsilon Mountain and its namesake lake, then return off-trail by following a mountain stream past unnamed waterfalls.

Our Apps

Map Tools

Share Trip
  • E-mail Trip
  • Embed Map
  • Social Bookmarks
    more bookmarks...

Download To

Create a Trip
* Requires a Trip Planner or Elite Membership
Author: Backpacker Magazine
Date: 26 Jun 2006 3:02:40 PM
Activity: Hiking
State: Colorado (CO)
Distance: 8.4 mi  (Change units)
Survey Elevation: Total Gain: 2278 ft
Total Loss: 1589 ft
Net Change: 689 ft
Difficulty: 5 / 10
Tags: Boulder, Colorado, Estes Park, Rocky Mountain National Park, Waterfall Hikes
Rating:   3 rating(s) Rate it

INFO For information on permits, current trail and camp conditions, and wilderness guidelines, go to

A wilderness permit is required for all overnight camping in the backcountry. Reservations accepted ($20 administrative fee for permits during peak season).

Rocky Mountain National Park, (970) 586-1206;

TO TRAILHEAD: Enter park at Fall River Entrance. Drive 2 miles. Turn R onto Old Fall River Rd. Turn R into Lawn Lake trailhead parking area.

Position Format: Datum:


Distance: 7.14 mi Points: 1260
Total Time: none Speed: 0.0 mph Pace: 0:00 / mi
Active Time: none Speed: 0.0 mph Pace: 0:00 / mi
Ypsilon Lake Route

Points of Interest


Location: 40.407383, -105.626213
Lawn Lake trailhead; trail climbs quickly with overlooks to Horseshoe River and Hidden Valley


Location: 40.417667, -105.633469
Roaring River cuts a deep path into valley


Location: 40.420017, -105.634987
L @ Y onto Ypsilon Lake Trail; cross river


Location: 40.425850, -105.645515
Trail remains in woods but levels out


Location: 40.439034, -105.662201
Take a breather @ Chipmunk Lake; main trail leads NW; avoid spur paths


Location: 40.443813, -105.662277
Peer across Ypsilon Lake @ broad headwall; good spot for nap or yoga


Location: 40.443218, -105.661751
Begin off-trail hike; walk on the R side of the stream


Location: 40.443184, -105.660797
Splendid waterfall into gorge; continue following animal paths downstream


Location: 40.441849, -105.653648
Cross gurgling mountain brook


Location: 40.435200, -105.642670
Caution: Dropoffs ahead; veer away from river on descent


Location: 40.431950, -105.640335
Merge with the Roaring River; skip across river


Location: 40.431149, -105.639801
Turn R onto Lawn Lake Trail; hike 2 mi. back to trailhead


Comparable Trips

Comments  Post a comment
0 Trip Comments