What's Happening?
Bon Tempe Lake, located in Marin County, California, is a popular destination for fishing enthusiasts and nature lovers. Situated on the northern slope of Mt. Tamalpais, the lake is part of a series of reservoirs that provide water to local residents
and recreational opportunities. The 140-acre reservoir, established in the late 1940s, is known for its clear waters and scenic surroundings. Anglers can catch rainbow trout, bluegill, and largemouth bass from the shore, as the lake is not open to boats. The lake has not been stocked with rainbow trout since 2025 due to concerns about invasive golden mussels. Visitors can also enjoy hiking and wildlife spotting in the area.
Why It's Important?
Bon Tempe Lake serves as a vital resource for both water supply and recreation in Marin County. The lake's clear waters and diverse fish population make it a prime location for fishing, contributing to local tourism and outdoor activities. The decision to halt trout stocking highlights environmental concerns and the need for sustainable management of natural resources. The lake's proximity to San Francisco makes it an accessible getaway for city residents seeking outdoor experiences, thus supporting local businesses that cater to tourists and outdoor enthusiasts.
What's Next?
Future management of Bon Tempe Lake will likely focus on balancing recreational use with environmental conservation. Monitoring and addressing the impact of invasive species will be crucial to maintaining the lake's ecological health. The California Department of Fish and Wildlife may consider resuming trout stocking if environmental conditions improve. Continued collaboration with local businesses and outdoor organizations will be essential to promote sustainable tourism and recreational activities in the area.











