The Ridge Trail in remote Moore Creek Park climbs high onto the exposed east slopes of the Moore Creek canyon, offering sweeping views, then descends and heads up the shaded scenic creek corridor to a series of creek pools. The exposed Vista Valentine Trail is hot in summer so hike early in the day or in cooler weather. • From: Staging Area • To: End of Moore Creek Trail in St. Helena • Length: 4.9 miles one-way (plus minimum 4-mile return trip) • Elevation Gain/Loss: 880 feet/450 feet one-way • Accessibility: Hikers, equestrians, and mountain bikers (This trail description is excerpted from the 2019 Guidebook. For details on all trails, trailheads, and more, buy the book from Wilderness Press. For more resources to plan your trip, visit our Trail Tools page.)