Simi Peak is located in eastern Ventura County, California, near the cities of Simi Valley to the north, and Thousand Oaks to the west.

Escorpión Peak (Castle Peak) is closer in the hills, at 1,475 feet (450 m) and located in El Escorpión Park to the east.

The peak is in the Cheeseboro and Palo Comado Canyons Open Space park, part of the NPS Santa Monica Mountains National Recreation Area system.

Simi Peak is accessible by trail, with trailheads in the towns of Simi Valley, Thousand Oaks, and Agoura Hills, and by trails connecting from the Upper Las Virgenes Canyon Open Space Preserve.

This Ventura County, California–related article is a stub.