About the Midpeninsula Regional Open Space District

Calendar of Activities

Enjoy the many free Outdoor Activities on Midpeninsula Regional Open Space District preserves. All activities are led by trained volunteer docents and are free of charge. Some activities require reservations. Please refer to the Reservation Information page for full details.

For all activities, heavy rain at the activity location will cancel that activity. In the event of light rain or the threat of rain, the docent will make the decision at the designated meeting time and location.

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Start Time


08/02/2014 Hike to Black Mountain 10:00  am Monte Bello Strenuous Hike
08/02/2014 Reservation Required Three Habitat Dog Hike 10:00  am Thornewood Moderate Hike
08/03/2014 Earthquake Walk 2:00  pm Los Trancos Easy Hike
08/05/2014 Cool Forests and Beautiful Views 10:00  am Monte Bello Strenuous Hike
08/08/2014 Thornewood Before the Thornes 9:30  am Thornewood Moderate Hike
08/10/2014 Reservation Required Banana Slug Redwood Ride 10:00  am Purisima Creek Redwoods Intermediate Mtn. Bike Ride
08/10/2014 Reservation Required California - Holas and Adios 11:00  am Los Trancos Easy Hike
08/10/2014 Reservation Required Full Moonrise Sunset Hike 6:00  pm Monte Bello Moderate Hike
08/14/2014 Sunrise Hike 7:00  am Pulgas Ridge Moderate Hike
08/16/2014 Reservation Required Introductory Geocaching Family Hike 10:00  am Skyline Ridge Easy Hike
08/19/2014 A Sense of Community 10:00  am Windy Hill Moderate Hike
08/20/2014 Reservation Required Explorer Hike: Seeking the Shade 10:30  am Purisima Creek Redwoods Easy Hike
08/21/2014 Third Thursday Hike: Saratoga Gap 10:00  am Saratoga Gap Moderate Hike
08/23/2014 Montebello Hill Ride 9:15  am Monte Bello Advanced Mtn. Bike Ride
08/23/2014 Reservation Required Girls Night Out 5:00  pm Russian Ridge Moderate Hike
08/24/2014 Before School Starts 11:00  am Skyline Ridge Easy Hike
08/28/2014 Reservation Required Purisima in the Summer 10:00  am Purisima Creek Redwoods Moderate Hike

SUMMER (June, July, August)

Full Outdoor Activities Listing and Schedule

At-a-glance Listing

Special note:

If you have a group of 4 or more people who would like to attend a docent-led activity listed in Outdoor Activities, please contact the Docent Programs Coordinator at (650) 691-1200 to discuss in advance. Other arrangements may need to be considered for your group.

Additional Information

Reservations are required for certain activities. Reservations for a given activity are only accepted within the two-week time period prior to the activity date. The maximum number of people allowed for a group reservation is four (4) people. The online reservation forms activate in the individual listings two weeks prior to the date of the activity.

--Emails and voicemails regarding activities are not monitored after hours or over the weekends, but will be processed the next business day.

--If your plans have changed after you have made a reservation and you are no longer able to attend, please let us know so that we can release your reservation to someone else.

Full Reservation Policies

Additional Information

Easy Hike Easy Hike
Moderate Hike Moderate Hike
Strenuous Hike Strenuous Hike
Easy Nature Ride Easy Nature Ride
Intro Bike Ride Intro Mtn. Bike Ride
Intermediate Bike Ride Intermed Mtn. Bike Ride
Adv Bike Ride Adv Mtn. Bike Ride
Kids Kids
Reservations Required Reservations Required

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Reservation Policies