Last updated: September 2, 2025
Place
Poopenaut Valley Trailhead

Animal-Safe Food Storage, Trailhead
This short, steep hike down to the Tuolumne River in Poopenaut Valley is a great spot for wildflowers in spring. Be aware that this is a steep hike on the return trip to the parking area. If you hike down, you must be able to hike back up! Parking is very limited.
Distance: 2.5 miles (4 km) round-trip
Elevation gain: 1,229 feet (375 m)
Time estimate: 3-4 hours
Tips & Hours
Unlike other areas of Yosemite, the road to Hetch Hetchy is open from sunrise to sunset only. Hetch Hetchy trailheads are not reachable by vehicle when the road is closed.
From November through March, the Hetch Hetchy Road may be subject to closures or chain requirements due to ice and snow. Call 209/372-0200 (press 1, then 1) for current road conditions.
Pets are prohibited on all hiking trails. Swimming and boating are prohibited in Hetch Hetchy Reservoir in order to maintain a clean source of drinking water.