The Tassajara Ridge Trail is an earthen trail beginning at the Tassajara Ridge Staging Area with an additional trailhead located on Longleaf Circle. The trail features rolling hills and overlooks that provide an excellent view of San Ramon, Dublin, and Danville. On clear days, you'll also catch a perfect view of Mt. Diablo. The best time of year to explore this trail is during the spring and early summer when the hills are a luscious green, the wildflowers are in full bloom, and cows can be found grazing along the paths. Hikers may encounter cows, mountain bikers and equestrians.