Joseph D. Grant County Park

A trail from the Joseph D. Grant County Park, featuring hills in the background

Welcome to Joseph D. Grant County Park, the largest of Santa Clara County's regional park and recreation areas. This 10,882 acre park includes some of the County's finest open space resources, as well as rich environmental, cultural and recreational assets. The landscape is characteristic of the east foothills of the Santa Clara Valley with grasslands and majestic oak trees. As part of the park's tradition and history, cattle grazing currently takes place in some areas, and is monitored under a resource management plan. Enjoy your visit today, and return often to experience the many features of Joseph D. Grant County Park.

How to Get There

Joseph D. Grant County Park is located at:

18405 Mt Hamilton Rd San Jose, CA 95140

Park Office: (408) 274-6121

Joseph D. Grant County Park is located in the east of Santa Clara Valley. Travel to the park by taking Highway 101 or Highway 680 to Alum Rock Avenue eastbound in San Jose. Turn right onto Mt. Hamilton Road and travel 8 miles to reach the park entrance. Please take note that Quimby Road is very narrow and is not suitable for RV's and large trailers.


Hikers and equestrians have access to an extensive 51 mile trail system. Mountain bikes are permitted on over 75% of the park's trails as designated. The diverse trail system at the park makes this a popular place to stage large-scale organized trail events such as equestrian endurance rides, mountain bike events and foot races. Dogs are also allowed on the trails, picnic areas, and campgrounds as long as they are on a 6 ft. leash.

Shaded picnic areas are available on a first-come first-served basis. Campers can choose from almost forty (40) reservable family campsites. Hot showers are available with paid campsite use.  Group picnic and youth camping areas are available by reservation. One large lake and several smaller ponds are accessible for warm water fishing. Fires are permitted in designated fire rings only. Do not gather wood. Extinguish fires when unattended. When posted "NO FIRES", only campstoves or gas grills are permitted. For further questions please call the park office: (408) 274-6121.

A group of Grant Wild flowers

Get more information about summer astronomy programs, or to see images of Grant's wildflowers.




Hours and Fees

The park is open year-round from 8 a.m. until sunset. Vehicle entry fees are collected year-round. Fees are required for camping, and for use of group picnic areas. Fees are posted at the entrance kiosk.

Access fees information here: Park Fees


In compliance with the requirements of Title II of the Americans with Disabilities Act of 1990 ('ADA'),the Santa Clara County Parks and Recreation Department will not discriminate against qualified individuals with disabilities on the basis of disability in its programs, services, or activities. The Department will make reasonable modifications to policies and programs to ensure that people with disability have an equal opportunity to enjoy our programs, services, facilities, and activities. If you need assistance with an ADA request, please contact our ADA Coordinator.​​​​



Yerba Buena Trail
San Jose, CA 95127

Hours of Operation

Sunday: 8:00 am- Sunset
Monday: 8:00 am- Sunset
Tuesday: 8:00 am- Sunset
Wednesday: 8:00 am- Sunset
Thursday: 8:00 am- Sunset
Friday: 8:00 am- Sunset
Saturday: 8:00 am- Sunset


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