It is bounded on the north by the Mount Soledad (52) Freeway and the sprawling southern fields of MCAS Miramar; on the east by the 5800 acres Mission Trails Regional Park, which has numerous hiking and mountain biking trails; on the west by slopes overlooking the wide Interstate 15 corridor running from Friars Road to Route 52, and on the south by slopes overlooking the San Diego River and Mission Valley.