Hikers in Russian Ridge Open Space Preserve / photo by Lanette Otvos

Hike by the Old Mill Stream

Monday, August 18, 2025
10:00 am - 2:30 pm
Purisima Creek Redwoods Preserve
Approximate Total Miles
6

Join Docent Naturalists Sabra Abraham, Chris Christensen, and Lindsay Joye for a strenuous hike among the redwoods. Learn about the logging history of this area while you explore less visited trails in this popular preserve. You’ll follow the old skid road which is now Purisima Creek Trail, climb the Borden Hatch Mill Trail, and return to the creek via the Grabtown Gulch Trail, stopping at the top for a short lunch break. Reservations are required and will be accepted on or after August 4 at 12:00 p.m. (Noon) and close August 15 at 2:00 p.m.

Where to Meet

From the North: Accessible from Purisima Creek Road. From the Highway 92 and Highway 1 intersection in Half Moon Bay, travel on Highway 1 south approximately 4.3 miles. Turn left on Verde Road. After turning on to Verde Road and traveling 1/4-mile, continue straight to remain on what becomes Purisima Creek Road. (Verde Road splits off to the right.) Travel approximately 3.7 miles on Purisima Creek Road. From the South: Accessible from Purisima Creek Road. From the Highway 84 and Highway 1 intersection in San Gregorio, travel on Highway 1 north approximately 6.4 miles. Turn right on the third Verde Road intersection. After turning on to Verde Road and traveling 1/4-mile, continue straight to remain on what becomes Purisima Creek Road. (Verde Road splits off to the right.) Travel approximately 3.7 miles on Purisima Creek Road.

To ensure your experience on a docent naturalist outing is enjoyable please review these activity guidelines.

For more information about trail characteristics for this event, check out the Midpen Trail Explorer app. To learn more about ADA accommodations for events, or make an inquiry with the ADA coordinator, visit our Accessibility page.

If your activity requires registration, please be sure to cancel your reservation (from your confirmation email) if you are no longer able to attend so others can participate.

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