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 Calving Season

Calving Season

Did you know the Open Space areas near the Tassajara Ridge Trail and Dougherty Valley Ridge Trail are also used for cattle grazing? August through November is a special time of year when most calves (baby cows) are born. 

What to Expect During Calving Season:

  • Cows may separate from the heard to give birth
  • Remnants from the birth may be found around trails
  • Ranchers will be nearby to assist cows that experience issues during birth

What Should You do When Hiking in Cattle Grazing Areas:

  • Be cautious and maintain your distance
  • Do not get between a calf and a cow
  • Keeps dogs on leashes at all times.
  • If cattle are on the trail, wave your arms and shout so they disperse. If they do not disperse, walk around them.

If you encounter a cow, calf or bull that is acting in a threatening manner or appears to be injured, sick or dead, please keep your distance.  Note the location, color of the animal, ear tag number if you can safely see it, and report it to TN Cattle Company at (925) 997-5543. 

Trails Challenge - Register Now!

The 2023 Trails Challenge starts April 1st and runs through September 30th.

For featured hikes and challenge details visit the Trails Challenge 2023 page.

Register Now!

San Ramon Open Space

The City of San Ramon is surrounded by beautiful rolling hills that are preserved for the public to enjoy both visually from all over San Ramon as well as spaces to explore. The San Ramon City Council holds open space preservation as one of its key priorities with a stated to goal to create bookends of Open Space along the Eastern and Western Edges of the City. 

If you have Open Space photos you would like to add to our slide show please email them to [email protected].

Mt. DiabloPoppiesCowsTassajara RidgePink FlowersHousingWaterGrassy View


Sports Basement Clinics

Attend these free clinics with our partner Sports Basement to get ready to go out on our tails and into our open spaces with confidence and knowledge. All clinics are held at Sports Basement San Ramon (1041 Market Pl, San Ramon, CA 94583).


Sunday, December 10, 9:30am | How to Prepare for Snow Sports

Get you and your family ready for a snowy winter trip at this How to Prepare for Snow Sports Clinic. Learn about all the supplies you need, safe travel practices and even get fitted for boots! Get supplies and even have an opportunity to rent skis at this event just before the winter holidays.



SAN RAMON TRAILS powered by: 




The San Ramon Trails App, powered by OuterSpatial, is a free and easy-to-use mobile hiking app provides an opportunity for trail users to scout trails, find directions and engage with other outdoor enthusiasts!


Hikers are encouraged to download the OuterSpatial app. If you have any questions, please email [email protected]

Please download the OuterSpatial app in the Apple or Google Play Store:

OuterSpatial Apple Store:

Google Play Store:

From your mobile device please use the following link to directly connect to the City of San Ramon trails system within the OuterSpatial app:


Please click the image below to view the OuterSpatial How To - FAQ for more helpful tips to get started!

How to Guide Example