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Rockville Hills
Map of Rockville Hills
Rockville Hills in Fairfield is not in the East Bay but is close enough to be an important park to cyclists looking for technical, narrow singletrack with rocky soil composition that holds up well in even heavy winter rains. The majority of the trails in the 640 acre park are singletrack, weaving through dense Oak, Chaparral and grassland, a segment of which belongs to the Bay Area Ridge Trail. Wildflowers can be seen in abundance in the spring along the trail sides. The trail beds are mostly composed of a thin layer of soil over volcanic rock and granite which means that most trails are ride worthy year-round, even in pouring rain.

Meandering around the park aimlessly is just as productive as having a set route. There are several short steep sections in areas that may require dismounting but Rockville can be enjoyed by cyclists of all levels. Trails are clearly marked as to difficulty and type of obstacles that may be encountered. If you are especially looking for technical trails, work the Rock Gardens, Quarry Trail (aka mini-Moab), Upper Tilley and Manzanita trails into your route. There are many others but these are the most advanced trails in the park.

The trails are regularly maintained by RATS – Rockville Alternative Transportation Society, and many have been designed or rerouted by IMBA and Jim Jacobsen within recent years. RATS invites trail volunteers to join them on the 3rd Saturday of each month. This park is a great example of a working shared use park. Horses and smoking are prohibited and while the trails are often used by hikers, runners and dog walkers, there are very few trail conflicts (if any).

A $2 day pass is required (monthly and 6-month passes are available) for park use and an additional fee is required for dogs. Electronic machines vend the pass by using either cash or a debit card.

To get there from the East Bay, take I-680 across the Benicia Bridge and continue onto I-80 east. Stay right on the ramp and take Suisun Valley Road (exit 41). At the foot of the ramp, turn north (left) onto Suisun Valley Road. Drive about 1.5 miles, and then turn left onto Rockville Road at the traffic light. Drive about 0.7 mile, and turn left into the parking lot.