Sunol Wilderness Regional Preserve

• About The Park
• Park Calendar
• Park Features / Visitor Center
• Park Activities
• Naturalist Program Info
• Trail Mileage
• Park Accessibility
• To Reach The Park
• Park Map [PDF]
• Trail Map

About The Park

Bedrock mortars used by Native Americans for pounding acorns that were found in the area are reminders of Sunol's first inhabitants. For the past century, however, the land known today as Sunol Wilderness Regional Preserve was used almost exclusively as ranch land. Under the East Bay Regional Park District's multi-use land management policy, cattle continue to graze in the 6,859-acre wilderness. Today, camping, picnicking, hiking and back-packing  attract thousands of park visitors a year. Visitors should bring drinking water because there is no drinking water in the park.

The Sunol naturalist staff provides additional opportunities to enjoy the park by leading nature hikes and coordinating special events. They also teach about natural and cultural history to children that meet current State Science and Social Science Curriculum Standards during the school year.

Wild Plant Guides

• District Wildflower Photo Guide 
• District Wild Plant Photo Guide
• Sunol - Calflora Plant List 
• Sunol - PlantID.net ID Guide  

Park Calendar

• Sunol Regional Wilderness - Activity Calendar

Park Features

Sunol Visitor Center

Naturalist staff at the Sunol Visitor Center welcome you to the park. Ask for trail suggestions, learn about recent animal sightings, purchase an Ohlone Wilderness Trail permit, and meet our animal ambassadors – a gopher snake, rattle snake, western toad, western pond turtle, and a tarantula. You can also take a peak at the Sunol Herbarium, samples of over 600 plant specimens found in the park!

Geology

Exploration will reveal sandstone outcrops with fossils deposited in what was once ancient seabed. Great boulders of greenstone, schist and metachert indicate a turbulent past. The massive basalt outcrop at Indian Joe Cave Rocks provides sport and challenge to rock climbers.

Vegetation

Alameda Creek, Alameda County's largest stream, harbors an inviting creekside community of alder, willow and sycamore. Coast live oaks abound along with valley and blue oak, elderberry, madrone and gray pine. Spring brings wildflowers, including California poppies, mustard, goldfields and lupines, which carpet vast areas in yellow, orange and blue. A wildflower identification kit may be checked out at the Visitor Center.

Animals

Ground squirrels, yellow-billed magpies and red-tailed hawks share this wilderness with raccoons, skunks and black-tailed deer. Mountain lions are uncommon, but are occasionally sighted. Birding is superb along Alameda Creek with acorn woodpecker, black phoebe, titmouse, turkey vulture, and golden eagle commonly sighted. As many as 20 to 40 bird species are often seen in a single morning.

Sunol Backpack Area 

Camping is by advance reservation only (5 business days); phone 1-888-EBPARKS or 1-888-327-2757 press option 2, or visit the Camping page for details. The backpack area is open year round.  An Ohlone Wilderness Permit is required for each person age 12 years or older. 

Ohlone Wilderness Trail

Hikers who cross into the San Francisco Water Department lands that connect Mission Peak Regional Preserve, Sunol-Ohlone Regional Wilderness and Del Valle Regional Park, must carry the Ohlone Wilderness Trail map/permit. Each person age 12 years or older is required to have their own permit. Hikers must sign in at trailheads as they enter these lands.

• You may purchase your permit in one of the following ways:
  In–person Locations:  Sunol (Saturdays, Sundays and major Holidays at Kiosk) and Del Valle Park entrance kiosks.
• Online: EBParks.org/Register
• By Phone: call the Reservations Department at 1-888-327-2757, option 2. (Monday-Friday 10am-3pm)
• By Mail: Send your name, address, phone number and check payable to EBRPD to The Reservations Department, EBRPD, 2950 Peralta Oaks Court, P.O. Box 5381, Oakland, CA 94605-0381. (Permit(s) will be mailed within 3-5 business days).

Fee for in-person purchase is $2/person/year; by mail/phone/online $4/person/year for first five permits and $3/person/year for each additional permit after five. 

The permit covers foot and equestrian use of the trail only. Camping at designated campsites along the Ohlone Wilderness Trail is allowed by advance reservation only (5 business days), and separate arrangements should be made by phoning 1-888-EBPARKS or 1-888-327-2757, press option 2. For general information about the Ohlone Wilderness, phone 1-888-EBPARKS option 3 x4559. Separate arrangements may be made for overnight camping at Del Valle Regional Park (outside the Ohlone Wilderness and at the north end of the Ohlone Trail) by calling 1-888-EBPARKS or 1-888-327-2757, press option 2.

Little Yosemite

Little Yosemite is a scenic gorge on Alameda Creek about two miles upstream from the Visitor Center. It is open to the public through a lease agreement with the San Francisco Water Department, which owns the property. Please abide by the boundary signs and do not trespass onto Water Department lands that are not part of the lease arrangement.
Notice: Swimming is NOT allowed in Alameda Creek in the Little Yosemite area.

Park Activities

Naturalist Programs

Naturalist-led activities include walks, hikes, birding outings, family activities, nature arts and crafts, virtual programs and various other adventures. Visit the Sunol Visitor Center for information about these programs. To browse naturalist-led programs online visit, EBParksOnline.org.

Hiking

Please do not short cut trails in steep areas, or slide in the grass on hillsides or banks. Erosion is ugly and expensive to control. See Mileage for a description of selected hikes.

Picnicking

There are picnic sites available on a first-come, first served basis. Alameda Grove picnic area is available for reservation To make group picnic reservations, call 1-888-EBPARKS or 1-888-327-2757, press option 2.

Group Camping

High Valley Group Camp is closed until further notice. For information about campsites in other parks, please visit the Camping Page.

Trail Mileage

Park Accessibility

There is no drinking water in the park.

Trail Accessibility Reports

• Camp Ohlone Road: Download PDF | Download MS Word
• Canyon View Trail: Download PDF | Download MS Word
  
• Hayfield Road: Download PDF | Download MS Word
  

To Reach The Park

From Fremont, drive north on I-680 and exit at Calaveras Road (near the town of Sunol.) Turn right at the exit onto Calaveras Road and proceed about four miles to a left turn onto Geary Road, which leads directly into the park. (If you find yourself driving uphill on a narrow winding road you’ve missed the Geary Road turnoff.) To reach the Old Green Barn take the first left after the park entrance.

From the Oakland-Berkeley area, drive east on I-580 to the junction with I-680. Take I-680 south and exit at Calaveras Road/Highway 84 just south of the Sunol exit. At the bottom of the exit turn left onto Calaveras Road and proceed as noted above.

From the Walnut Creek - Danville area, drive south on I-680 and exit at Calaveras Road/Highway 84 just south of the Sunol exit. Proceed as noted above.

There is no public transit  to Sunol Regional Park.

Transit & Trails: Sunol Regional Wilderness (transit, biking, and walking directions)

Trail Map

Click the map image below to see an enlarged version.

• Park Map [PDF]

Maps are available at most of the bulletin boards at trailheads in the park, or you can print your own.