Place · 0.4 mi away
Overview
Wapama Falls is Hetch Hetchy’s showstopper—a towering, multi-drop waterfall (about 1,080 feet) pouring into a granite-walled valley above the reservoir. It’s a quieter alternative to the Valley’s headline cascades, with a long hiking season thanks to Hetch Hetchy’s relatively low elevation.
The Hike
From O’Shaughnessy Dam, you’ll cross the dam, walk through a dark, damp tunnel, and follow a rocky, rolling path along the reservoir’s north shore. The out-and-back is roughly 5 miles round trip to the base of Wapama, with modest ups and downs that most hikers can handle. Along the way you’ll glimpse Tueeulala Falls in spring, then reach a series of footbridges at Wapama where the spray and sound are thrilling up close.
Seasonality and Water Levels
Spring to early summer is prime time. During peak snowmelt, the falls can rage so fiercely that spray soaks the bridges—and at times water may pour over them, making crossings unsafe. By late summer and fall, flows often diminish significantly (sometimes to a trickle), but the lakeside views remain lovely.
Wildlife and Hazards
Expect exposure and heat on this route—carry plenty of water and sun protection. The tunnel can be wet and slick, and the rocky tread demands sturdy shoes. This is mountain country: poison oak grows near the trail, and rattlesnakes and bears live in the area—stay alert, give wildlife space, and secure your food.
Logistics
Parking sits by the dam, with restrooms available before you cross; there are no facilities on the trail. The Hetch Hetchy entrance operates limited hours daily, and the gate is locked outside those times—plan your start and turnaround accordingly. Pets aren’t allowed on the trail. There isn’t reliable potable water at the trailhead, so bring what you need.
Best Time to Visit
Go on a spring weekday morning for gushing flow, cooler temps, softer light, and fewer people. Midday sun can be harsh for photos along the exposed shoreline; early and late angles do the granite and water more justice. If the bridges look sketchy under high water, enjoy the roar from safe dry spots and call it a win.
Pros
- Reservoir-hugging path with big views of Tueeulala and Wapama Falls [nps.gov](https://www.nps.gov/places/000/wapama-and-rancheria-fall-trailhead.htm)
- Misty spring footbridges and photogenic granite scenery [hikespeak.com](https://www.hikespeak.com/trails/wapama-falls-hetch-hetchy-reservoir-yosemite/) [yosemitehikes.com](https://www.yosemitehikes.com/hetch-hetchy/wapama-falls/wapama-falls.htm)
Cons
- High runoff can make the footbridges dangerous or impassable—turn back if water is flowing over them [yosemitehikes.com](https://www.yosemitehikes.com/hetch-hetchy/wapama-falls/wapama-falls.htm)
- Hot, exposed hiking with limited shade; dehydration is a common issue [nps.gov](https://www.nps.gov/places/000/wapama-and-rancheria-fall-trailhead.htm)
- Hetch Hetchy entrance has limited hours; don’t get locked in [nps.gov](https://www.nps.gov/places/000/wapama-and-rancheria-fall-trailhead.htm)
Tips
- Start early to beat heat and secure parking along the dam approach [yosemitehikes.com](https://www.yosemitehikes.com/hetch-hetchy/wapama-falls/wapama-falls.htm).
- Use the restroom before crossing the dam—there are no facilities on the trail [yosemitehikes.com](https://www.yosemitehikes.com/hetch-hetchy/wapama-falls/wapama-falls.htm).
- Pack a small light for the dark, wet tunnel and wear grippy footwear [yosemitehikes.com](https://www.yosemitehikes.com/hetch-hetchy/wapama-falls/wapama-falls.htm).
- If water is flowing over the footbridges, don’t attempt to cross—turn back [yosemitehikes.com](https://www.yosemitehikes.com/hetch-hetchy/wapama-falls/wapama-falls.htm).
- Check Hetch Hetchy gate hours the day you go and plan your turnaround time [nps.gov](https://www.nps.gov/places/000/wapama-and-rancheria-fall-trailhead.htm).
