Hetch Hetchy Loop

Most hikers complete this challenging loop in 2-3 days, though a more relaxed 4-day itinerary is also a popular option. The total distance is over 45 kilometers with significant elevation changes.

The Hetch Hetchy Loop is generally rated as difficult due to its length, significant elevation gain (over 1,700 meters), and varied terrain. It's best suited for experienced hikers or those with a good level of fitness and prior backpacking experience.

The trail offers diverse terrain, including oak and chaparral forests, aspen groves, and meadows. You'll also encounter exposed granite domes, rocky outcrops, and numerous switchbacks, some quite steep. Depending on the season, sections can be swampy, have fallen trees, or even ash and soot from past fires.

The loop offers stunning views and natural features. You'll start near the historic O'Shaughnessy Dam and enjoy panoramic views of the Hetch Hetchy Reservoir. Highlights include impressive waterfalls like Tueeulala Falls and Wapama Falls, especially vibrant in spring. The trail also leads to beautiful alpine lakes such as Lake Vernon and Laurel Lake.

The trail officially begins at the O'Shaughnessy Dam, which is also where you'll find parking. Access to the Hetch Hetchy area is typically through the Hetch Hetchy Entrance Station of Yosemite National Park.

No, dogs are generally not permitted on wilderness trails within Yosemite National Park, including the Hetch Hetchy Loop. This is to protect wildlife and ensure the pristine nature of the park.

The Hetch Hetchy area boasts one of Yosemite's longest hiking seasons due to its lower elevation. Spring (April-May) is ideal for thundering waterfalls and wildflowers, while fall (September-October) offers cooler temperatures and fewer mosquitoes. Be aware that higher elevations can still have snow well into spring, and summer can bring heat and more insects.

Yes, you will need to pay the standard entrance fee for Yosemite National Park. For overnight backpacking on the Hetch Hetchy Loop, a wilderness permit is mandatory. Additionally, bear canisters are required for food storage due to active bear populations in the area. You can find more information on permits and fees on the official NPS website.

The Hetch Hetchy area is often considered a 'hidden gem' and offers significantly more solitude compared to the more heavily trafficked areas of Yosemite Valley. It's a great option if you're looking for a challenging backpacking experience away from the main crowds.

Given the trail's difficulty and wilderness setting, essential gear includes sturdy hiking boots, layers of clothing for varying temperatures, navigation tools (map, compass, or GPS), plenty of water or a reliable filtration system, and a first-aid kit. Due to bears, a bear canister is mandatory for food storage. Bug repellent is also highly recommended, especially during warmer months.

Yes, sections of the Hetch Hetchy Loop also pass through parts of the Miguel Meadow Fire Road.