M - Mountain Loop

Alta Vista Open Space is a 43-acre open-space area in western Newbury Park, California, United States, adjacent to Dos Vientos Open Space and its 1,216 acres of natural open space area and numerous trails. Its primary trail is the Ring Finger Trail, which is reached from its trailhead at the southern side of Calle Alta Vis, directly across the street from Calle Las Collinas.