Posted on August 28, 2019February 27, 2024 by RS28 County Parks – part 2 of 5 Mount Madonna County Park Chitactac-Adams County Park That symbol on the rock, like ripples, is a 2000 year old petroglyph! Uvas Reservoir County Park Uvas Canyon County Park Chesbro Reservoir County Park Calero County Park My oldest took this photo.