Green Valley Trail Professional Review and Guide
"Rockville Hills Regional Park sits on the rolling, oak-studded hills in Solano County between Green Valley and Suisun Valley. Green Valley, originally a wheat-growing region, is now a fruit producing area due to its flat terrain and ease of irrigation. Twenty miles of rolling fire roads and twisting single-track trails wind through this beautiful park. A short climb from the trailhead brings you to a grassy plateau that overlooks Upper Lake, the oak-dotted valley, volcanic outcroppings, and the small surrounding peaks. This hike visits Upper Lake and descends on the southwest slope of Rockville Hills Park into Green Valley. The trails weave through groves of blue oak, coast live oak, valley oak, buckeye, and maple."
--Robert Stone, Day Hikes Around Napa Valley (Day Hike Books).
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