Indian Tree Preserve
Friday, December 26, 2025, 10am – 1pm

Join rangers for an exploration of winter's bounty—mushrooms! We will hike the Big Trees Trail to observe the fascinating world of decomposition, where mighty fungi are hard at work. Please note that this outing is for observation purposes only and is not intended for identifying individual species. The hike will be approximately 4 miles long and will involve steep slopes and slippery trails. Appropriate for ages 15 and older. Dress in layers and wear sturdy shoes. Don't forget to bring water and a snack. The hike will cover a distance of 3.7 miles with an elevation gain of 650 feet. Adverse weather or poor air quality conditions may result in cancellation. Check the calendar or call (415) 473-2816 two hours before the event to confirm the status. Registration is required.

Questions: Contact James Morris

Directions: Meet at the trailhead on Vineyard Rd in Novato. From Hwy 101 in Novato, take the exit for San Marin Dr west and go 2.7 miles. San Marin Dr turns into Sutro Ave at Novato Blvd. Follow Sutro Ave for 1 mile, then turn right onto Vineyard Rd and follow for 1 mile. The trailhead is on the left where the paved road becomes a dirt road.
Sponsor: Parks
Accommodation Information: If you are a person with a disability and require an accommodation to participate in a County program, service, or activity, requests may be made by calling 415-473-4381 (Voice), Dial 711 for CA Relay, or by submitting a Disability Accommodation Request at least five business days in advance of the event. We will do our best to fulfill requests received with less than five business days’ notice. Copies of documents are available in alternative formats upon request.