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Skyline Park 707.252.0481 (Napa)

A group of volunteers runs the park and your entrance fees help pay to maintain the trails. The park is generally open from 8 until 1 hour before sunset (they open at 9 on weekdays). During the long summer days, it is only open until 8pm. They will lock the gate with your car inside, so be out on time.

The trails are appropriate for intermediate to advanced riders. There are no easy trails in Skyline Park. The road up to Lake Marie is a steady easy grade, but rocky and rutted. The single track is fantastic - watch for hikers and equestrians (stop if you see a horse coming in the opposite direction unless the horse rider gives you the okay to proceed). There are some trails for hikers only. You can get a map at the kiosk. The cross country Grundig-UCI World Cup Opener was held at Skyline park in 1997 and 1998 and 1999. For pictures go here for 97 and here for 98.

To get there from the South, take the first Napa exit off Highway 29 which is Highway 221/Soscol Road. Take a right on Imola and drive to the end. The park is on your right.


Kennedy Park (Napa)

Kennedy Park is behind Napa Valley College and has about 1 mile of trail that you can Mountain Bike. When the River to Ridge trail (see below) is completed it will be an alternative staging area to get to Skyline Park or Downtown Napa (when the River trail is complete).


River to Ridge Trail (Napa)

This trail connects Kennedy Park to Skyline Park through a corridor of property between the State Hospital and the Syar quarries.


River Trail (Napa)

The River trail will eventually go along the Napa River from the Coporate Park (South Napa), to Trancas Ave. (North Napa). Currently the only sections open are Kennedy Park and the stretch from Lincoln Ave. to Trancas Ave. Sometime in '04 (?) this section will be paved. Right now it is hard pack dirt (or mud during the winter rains).

Alston Park (Napa)

This park has perhaps 3 miles of trails to bike. It's very busy with walkers and dog-walkers (watch out for Dogs off leash). It's on Dry Creek Road in Western Napa.

Boothe - Napa State Park (St. Helena)

This park has several miles of trail (mostly fire roads), camping, and a pool. Lots of nice Redwoods. And a day use fee. 4 mi. N of St. Helena on Hwy 29/128. 1983 ac., 320' - 2100' el. 50 developed sites-800/444-7275; trlrs 24', campers 31'. Pay showers; historic buildings & sites; trails; swimming pool open mid-June through Labor Day. 707/942-4575

Oat Hill Mine Road (Calistoga)

NOTE - the Palisades Trail between Table Rock and the top of the OHMT is NOT OPEN to bikes. If you are caught you will get a big fine.

Intermediate to Experts only. This trail climbs from 400 to 2200 feet on an old county roadbed. It is very rocky and rutted. Stay on the trail. The surrounding property is private. Take lots of water on a hot day. The wildflowers are great in the spring. On the way up notice the ruts worn into the rockbed from the mining wagons.

To find the trail, follow Highway 29 through Calistoga to the East side of town, and you will come to the intersection with the Silverado trail. The trail starts just to the left of the Trailhead store (closed as of 4/02).


Mt. St. Helena (Calistoga)

NOTE - the Palisades Trail between Table Rock and the top of the OHMT is NOT OPEN to bikes. If you are caught you will get a big fine.

MSH is the big peak (4343 feet) just North of Calistoga. There have been plans to develop a state park there for years, but not much has happened. There are two rides on the Mountain that I know of so far. The first is up the fire road. At the top you can choose the South or North peak. Both peaks have various man made structures. The North peak is a little further and higher. On a clear day you can see Bodega Head (the ocean), SF, Mount Diablo, the Sierras, Lassen and Shasta. One of the best views in the world. The trailhead is at about 2000 feet. Take lots of water, there is none on the Mountain. To get to the Hiking trailhead, follow Highway 29 East out of Calistoga and up a very windy road with many switchbacks. People drive like maniacs here. Right at the saddle is the parking lot and hiking trailheads. Keep going about 1/2 a mile and you will see where the fire road intersects with 29. There are several pull outs where you can park. Bikes are not allowed on the hiking trail from the main parking lot. The hiking trail joins up with the Fire Road.

The other ride follows a paved road out to the former site of the Silverado mine boom town. Not much is left except for a few foundations. It's a fairly flat ride. When I last walked it there were several trees down on the road. I have only walked this road, so I'm not sure of the best way to get to it on bike. The road does hook up with 29 just before getting to the main parking lot near a red house. I'm not sure if anyone lives there. One way to walk to the road is to take the hiking trail from the parking lot up to the Robert Louis Stevenson monument. Just to the left of the monument is the entrance to the former Silverado Mine and just to the left and below this entrance is an old road bed that is still fairly open. Follow this and it takes you right to the backyard of the Red House where the Paved Road starts. Ken Stanton's book on Mt. St. Helena has more detail on this area.

Info on Ken Stanton's Books

Knoxville Recreation Area

(North of Lake Berryessa in North Napa County)

This is a large area of BLM land with Fire Roads, a gun range, and probably hunters. I have not ridden there yet. If anyone has any info on this land and it's trails, drop me a note!

Nearby Counties

For Sonoma County (Jack London, Annadel & Sugarloaf)

Annadel MAP

An Annadel loop description external

Web site with some additional Sonoma County Info external

Boggs Mountain State Forest Info (Lake County)

One of the best examples of singletrack in Northern California. So good, in fact, that the singletrack is rumored to have been built with mountain bikes in mind, as a way for the employees of the CDF to keep in shape. The trails seem to more or less follow the contours, and no endless uphills. It gets very hot and the only water is at the helipad. Its a remote area, so be prepared for pinchflats, heat, fatigue and anything else you might have trouble with. A bonus for out of town traveler: camping is free on the Boggs Mountain Site.

From San Jose or San Francisco, take Hwy 80 east to Vallejo. Turn left on Hwy 37 to Hwy 29 and Napa. This exit will be the Marine World exit. Take 37 over to 29 north and follow that until it forks. Take the fork on the right, the sign says Napa and Lake Berryessa. The road is the Silverado trail. Follow the Silverado trail forever, and eventually it will rejoin Hwy 29. This cuts about 20 minutes of driving behind half drunk wine tasters through Calistoga, St. Helena, .... Anyway, stay on Hwy 29 over Mt. St. Helena and down into Middletown. Smack dab in the middle of Middletown is Hwy 75. Turn left and go six miles to the town of Cobb. About a mile past Cobb there is a sign that says: State Fire Station (or something like that). Turn right into Boggs Mountain. The camping area is about another mile down the dirt road from the helipad.

Boggs Mountain MAP

Rockville Hills Park Info (Solano County)

Keith gets bloody at Rockville...

Management: The park is maintained by the City of Fairfield in its natural state. Improvements are limited to small parking areas and trails to accommodate visitor use. For fire control and vegetation management, livestock grazing is employed at certain times of the year, and both numbers of animals and time of their presence is controlled. Disking of firebreaks and other fire protection measures are undertaken on an as-necessary basis. Correction of erosion and trail problems, and other resource enhancement projects, is ongoing.

The Park Ranger and staff of Volunteer Park Ambassadors monitor the park. They are present to assist park visitors and encourage park preservation. If you have questions about the park and its use, please feel free to ask them.

Geology: The park is underlain by rocks from the Pliocene Age known as the Sonoma Volcanics. These are volcanic rocks spewn out from a series of volcanoes and fissures which were located northwest of Solano County in Napa, Sonoma and Lake Counties. They consist of andesites, basalts and tuff: the former are light to dark, heavy rocks found throughout the park, and which has been quarried occasionally. Rockville Hills Park is on the southern edge of the Sonoma Hills between Fairfield and Vallejo. Soils derived from these rocks are generally thin and support growth of grasses, trees, and brush.

Plants: Rockville Hills Park supports a rich association of grasses, wildflowers, trees, and shrubs. The grasslands are dominated by non- native annual grasses such as soft chess and wild oats, but there are also significant populations of purple needlegrass (a native bunchgrass) and other native species. In the springtime the park is known for its displays of wildflowers, including goldfields, poppies, lupines, Johnny-jump-up, brodiaeas, and many others. The most common trees are blue oaks and buckeyes, other species are found here as well, including interior and coast live oak, valley oak, and maple. However, the park does not have any native pines, redwoods, Douglas fir, or other conifers. The park also contains about fifty acres of chaparral dominated by chamise and manzanita.

Wildlife: The diversity of habitats and cover makes the park home to a variety of wildlife. Mice, gophers and voles occur widely in the grasslands and provide a ready food source for small carnivores such as foxes or raptors (owls, hawks, and eagles). Snakes, including gopher snakes, garter snakes, rattlesnakes and king snakes have been observed here. A wide variety of songbirds can be found throughout the year; and in the winter and spring, ducks and other waterfowl will frequent the ponds in the center of the park. Wild turkeys are becoming more common, and deer are occasionally seen.

While you are enjoying your visit we ask that you observe the following: Please obey signs and sensitive areas restricted from access, Fires in the park and smoking are not allowed, Dogs are to be leashed, We are not able to accommodate horses or horseback riding, Please see the park ranger, volunteer park ambassadors or call the City of Fairfield with any questions (707) 428-7435. Park open sunrise to sunset.

To get there take the Cordelia/Suisun exit of HW 80. This exit is one east of the intersection of 680 and 80. Head West away from all the fast food places. You'll pass the community college on your right. Then you'll come to some stores and a light. Take a left and about a mile up the road the main entrance to the Park is on the left.

Rockville MAP


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