Gravity Car Road and Upper Hoo Koo E Koo Trail on Mt. Tamalpais

Leaders: Stacey Pogorzelski and Caroline Christman

Please sign up for this field trip on Meetup.

This walk will highlight the spring wildflowers and amazing views of the Bay from the southeast side of Mt. Tamalpais. We will start on Gravity Car Road, a wide, flat fire road and part of a former railroad bed that wound up to East Peak. We will pass through forest and chaparral, enjoying bush poppy, California milkwort, peak rush-rose, and many more. See the CNPS plant list for this area to get a sense of the incredible species diversity.

We will meet at the entrance to Gravity Car Road, off of Panoramic Highway near the Throckmorton Fire Station and Mountain Home Inn. There is some parking on Gravity Car Road as well as a paved parking lot on the other side of Panoramic Highway, across from the Mountain Home Inn. We will start our walk along Gravity Car Road. For those who want a more vigorous hike, we will split off to complete a loop with the upper portion of the Hoo Koo E Koo Trail.

Max 15 people  Rain cancels  If you have not done so already, please sign the Waiver for Marin Chapter 2025  

Note: Destructive invasive plant pathogens and weed seeds can be transported to sensitive plant habitats when contaminated soil or plant material is shed from footwear, equipment (such as hiking poles), and other personal items. See these 2 brochures for how you can minimize your impact. Pocket Guide – Every Step Counts and Cleanliness Tips for Hikers