Access Special Features, Register Now!

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.

Trip Tools

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

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

CONTACT 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.

Ypsilon Lake Loop

Leave a Reply