Bon Tempe Lake and Cataract Falls Loop Trail

The full loop, which is approximately 14.8 km (9.2 miles), generally takes around 4 hours and 20 minutes to complete. This duration can vary based on your pace, the number of stops you make, and trail conditions.

The terrain is quite varied. Around Bon Tempe Lake, you'll find a mix of gravel and some paved sections with gentle inclines. However, the section leading to Cataract Falls transitions to a single-track path with steep climbs, numerous steps, switchbacks, rocky areas, and exposed roots. Some parts may even require short scrambles. While some creekbed scrambles have been improved with bridges, be prepared for uneven surfaces and significant elevation changes, especially on the Cataract Trail.

The trail offers diverse scenery including three beautiful lakes: Bon Tempe Lake, Alpine Lake, and Lake Lagunitas. A major highlight is the series of cascading waterfalls along Cataract Creek, particularly impressive after rainfall. You'll also pass through lush redwood groves and forests of Douglas firs. Key viewpoints include Dam Overlook: Bon Tempe Lake above, Alpine Lake below, Serpentine Point, and Bare Knoll, offering views of Mt. Tamalpais, the Pacific Ocean, and even Mt. Diablo on clear days.

Late winter and spring are ideal times to visit, especially if you want to experience the waterfalls at their most impressive. After rainfall, the cascades along Cataract Creek gush abundantly. The trail is beautiful year-round, but fall offers vibrant foliage from bigleaf maples.

Yes, dogs are generally allowed on trails within the Mount Tamalpais Watershed, including this loop. However, they must be kept on a leash at all times to protect wildlife and ensure the safety of other hikers. Always remember to pack out any waste.

While no specific hiking permits are required for the trail itself, a parking fee is typically required to access the Mount Tamalpais Watershed where the trail is located. Be prepared to pay a fee at the parking areas.

There are several parking areas within the Mount Tamalpais Watershed that provide access to different sections of the loop. Popular starting points often include areas near Bon Tempe Lake. Remember that a parking fee is usually required. Arriving early, especially on weekends, is advisable as parking can fill up quickly.

The full Bon Tempe Lake and Cataract Falls Loop Trail is considered moderate to difficult due to significant elevation gain and varied, sometimes challenging, terrain, especially on the Cataract Falls section. It requires sturdy shoes and sure-footedness. However, an easier 2.5-mile loop specifically around Bon Tempe Lake is suitable for beginners and families, offering excellent wildlife viewing without the strenuous climbs of the full loop.

Yes, the route incorporates sections of several other trails within the Mount Tamalpais Watershed. You will hike along parts of the Cataract Trail, CC Boys Trail, Kent Trail, High Marsh Trail, and Rocky Ridge Fire Road as you complete the loop.

The area is rich in wildlife. You might spot various bird species such as cormorants, great herons, bald eagles, egrets, and ducks, particularly around the lakes. Turtles are also commonly seen in the water. The diverse forest environment supports other local fauna, so keep an eye out for deer and other woodland creatures.

Given the varied terrain and duration, it's recommended to bring plenty of water, snacks, sturdy hiking shoes with good ankle support, and layers of clothing as weather can change. Trekking poles can be helpful for the steeper sections. Don't forget sun protection, a map or GPS device, and a camera to capture the beautiful scenery.