Tarantula Hill, is a 1,057-foot-high peak in Thousand Oaks, California. It is located on a 45-acre open space and is operated by the Conejo Open Space Conservation Agency. Climbing Tarantula Hill is a steep 0.5-mile trail; the trailhead is located at 287 West Gainsborough Road, across the road from the main entrance to Conejo Valley Botanic Garden. Atop the mountain there is a 360-degree panoramic view of the Conejo Valley, the Simi Hills and the Santa Monica Mountains.