Bay seniors might want to move Shiloh Ranch State Park near Windsor in Sonoma County up towards the top of their list of Great Local Trails. Its 850 acres are mostly shaded and rolling, especially the Pond Trail to the top of Shiloh Ridge. The steeper Ridge Trail leads to Cinerama views from Healdsburg to Santa Rosa. Picnic areas though you might want to reserve tables if you’re not up to sitting on the ground . $7 parking. No dogs.