Olompali Orchids plus Other Plants & Flowers

Leaders: Clint and Madeline Kellner

Please sign up for this field trip on Meetup.

We will hike the loop trail (2.3 miles) at Olompali State Historic Park and look for the small delicate flowers of the summer-blooming rein orchid, Piperia transversa. We will also see the rare Napa false indigo shrub, California fescue grasslands, and some blue oaks.

Directions: The entrance to Olompali State Historic Park is at the end of Redwood Boulevard. From either north or south on Highway 101, take the Atherton/San Marin exit and proceed west. Turn right (north) onto Redwood Boulevard which is the first street west of the freeway.

Meet in the Olompali State Historic Park parking lot. Parking costs $8 ($7 for seniors). No parking is charged if you borrow a free State Park pass from your local public library.

Bring: Water, a snack/lunch (if desired). Dress in layers.

Email Clint with any questions

Text for day-of-trip questions or issues: 415-895-8591

If you have not done so already, please sign the CNPS Marin 2026 Waiver

Practice clean trail etiquette.  Pocket Guide – Every Step Counts and Cleanliness Tips for Hikers