Rock Mountain (Fallbrook)

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View from Rock Mountain, north San Diego County
Morning sun near the top of Rock Mountain
Looking north from Rock Mountain
Looking north from Rock Mountain

Rock Mountain (Fallbrook)

    • Location: North San Diego County, between Fallbrook and Temecula. From the Inland Empire, take I-15 to Rancho California Road in Temecula. Turn right and go 2.5 miles to Avenida del Oro. Turn left and go 0.3 miles to Sandia Creek Road. Turn left and go 7.3 miles and look for a small dirt parking lot and the trail head on the right (De Luz Heights Road = too far.) From the south, take I-15 to Old Highway 395. Turn left and go 0.2 miles to East Mission Road. Go 4.9 miles and turn right on Pico, which becomes De Luz and then Sandia Creek. In 4.2 miles, just after De Luz Heights Road, look for the trail head on the right. From Highway 76, 12.6 miles east of Oceanside, head north on South Mission Road. In 6.7 miles, turn right on West Mission Road and then almost immediately turn left on Pico. Follow it 4.2 miles to the trail head as described above.
    • Agency:  Fallbrook Land Conservancy
    • Distance: 1.2 miles
    • Elevation gain: 550 feet
    • Difficulty Rating: PG
    • Suggested time: 1 hour
    • Best season: October – May
    • Recomended gear: sun hat
    • USGS topo map: Temecula
    • More information:  All Trails page here; Flickr photo gallery here
    • Rating: 5
0:00 - Rock Mountain Trail Head (click thumbnails to see the full sized versions)
0:00 – Rock Mountain Trail Head (click thumbnails to see the full sized versions)

This short but steep hike yields some panoramic views of north San Diego County and southern Riverside County. The hike sadly loses points due to graffiti (particularly on the summit) and trash, but the scramble up the rocks to the summit is still worth doing if you’re in the area. Expect to use your hands as much as your feet and allow extra time for the descent.

Following the trail up Rock Mountain, San Diego County
0:09 – Hard left at the junction (times are approximate)

From the parking lot, follow the signed trail up a wooden staircase. The first half of the hike is fairly easy going as the trail winds around the base of Rock Mountain. There are no shade trees but the slope faces west, so if you get off to an early start the sun will be blocked out.

At about a quarter mile, stay straight as a trail branches off to the right. Soon after, take a hairpin left turn and head west, soon arriving at a clearing (about 0.4 miles from the start) where an abandoned car sits.

Steep stretch of trail on Rock Mountain
0:12 – Steep climb after the abandoned car

From here, the hike becomes challenging. Head straight, climbing up a loose, rutted slope and continue your steep ascent for another tenth of a mile. The trail, sometimes faint but usually pretty obvious, appears to dip downhill and fade out at this point. Look for a use trail on the right, heading straight up through the sage scrub, soon arriving at a saddle where you get some striking aerial views of the landscape below. You also see the summit of Rock Mountain on your left.

Climbing through the brush on the way to Rock Mountain's summit
0:16 – Follow the “use trail” through the brush, about half a mile from the start

Head left and follow a thin ridge toward the peak and then pick your way up over the boulders to the summit. Your exact route may vary but you will generally stay on the south side of the peak, keeping it on your left.

View of Rock Mountain, San Diego County
0:20 – Rock Mountain’s summit, as seen from the saddle

On the top, you can sit on any of the jumble of boulders and enjoy an excellent view which on clear days may include the Palomar Mountains and the ocean. You also get a bird’s eye look at Sandia Creek Road, winding its way through the hills below. When you’re done enjoying the view head back down, respecting the steep and loose terrain on the descent.

View from just below the summit of Rock Mountain
0:22 – Looking south from the ridge below the summit

Text and photography copyright 2014 by David W. Lockeretz, all rights reserved. Information and opinions provided are kept current to the best of the author’s ability. All readers hike at their own risk, and should be aware of the possible dangers of hiking, walking and other outdoor activities.  By reading this, you agree not to hold the author or publisher of the content on this web site responsible for any injuries or inconveniences that may result from hiking on this trail.  Check the informational links provided for up to date trail condition information.

Aerial view of the Fallbrook, CA area from Rock Mountain
0:25 – Looking down from the summit of Rock Mountain

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