Tolay Lake Regional Park is a 6 mile lightly trafficked loop trail located near Petaluma, California that features a lake and is rated as moderate. The trail offers a number of activity options and is accessible year-round.
This is an excellent hike around the headwaters of Tolay Creek in the southern Sonoma Mountains. The high hills of the park are contrasted against the vast meadows and old forests. With great views of Tolay lake's valley, vineyards, and San Francisco Bay, this is a dramatic but lightly hikes trail. NOTE: The park is currently in the development phase and not regularly open to the public. It can be hiked once you have a permit. To receive a permit, you must take a 1 hour orientation. Once the permit is obtained, it enables hikers to return to the park repeatedly. There is a $7 parking fee.