Best mountain peaks around Orange are primarily located within the Santa Ana Mountains, featuring prominent formations like Santiago Peak and Modjeska Peak. These peaks define the landscape of Orange County, offering diverse terrain for outdoor activities. The region provides varied mountain environments, from high elevations to peaks situated within state parks. Orange County's mountains present opportunities for exploration and scenic views across the area.
Last updated: April 26, 2026
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San Juan Hill is the highest point in Chino Hills, and hiking there rewards you with sweeping views of the surrounding landscape. The trail features a steady climb and is best hiked in spring for wildflowers or early mornings to avoid the heat. With little shade along the way, be sure to bring plenty of water.
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Situated up with the cell towers at 3,045 feet, Sierra Peak offers awesome views of Orange County and the surrounding mountains. Because it's such a long trek from car to summit, you'll likely have most of the route and the peak to yourself.
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Andersen Bump is a 482m high hilltop that rises above the city of Los Angeles in California. It provides some wonderful views of the surrounding peaks that make up the Water Canyon Natural Preserve, and on a clear day, across the city and toward the ocean, too.
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Andersen Bump is a 482m high hilltop that rises above the city of Los Angeles in California. It provides some wonderful views of the surrounding peaks that make up the Water Canyon Natural Preserve, and on a clear day, across the city and toward the ocean, too.
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The summit has great views over the whole region; north Orange County to the west and Corona/Riverside to the east, with San Gorgonio Mountain on the horizon.
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Right at the northern edge of Santiago Oaks Regional Park, the 1,159-feet (329 m) elevation of Robbers Peak allows for a sweeping view of the surroundings. You'll be able to see the neighborhoods below and Walnut Canyon Reservoir a bit further in the distance.
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Situated just at the edge of Santiago Oaks Regional Park, 1152-feet (329 m) Robbers Peak makes a great quick run — especially if you happen to live in one of the nearby neighborhoods.
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Situated up with the cell towers at 3,045 feet, Sierra Peak offers awesome views of Orange County and the surrounding mountains. Because it's such a long trek from car to summit, you'll likely have most of the route and the peak to yourself.
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The highest point in Orange County is Santiago Peak, standing at 5,689 feet (1,734 meters). It's part of the Santa Ana Mountains and borders Orange and Riverside Counties. Modjeska Peak is the second-highest at 5,496 feet (1,675 meters), located less than a mile northwest of Santiago Peak.
For expansive panoramic views, Modjeska Peak is an excellent choice, as its summit is free of man-made structures, offering unobstructed 360-degree vistas of the Pacific Ocean and the San Gabriel Mountains. Sierra Peak Summit also provides great views over the entire region, including north Orange County and Corona/Riverside, with San Gorgonio Mountain on the horizon.
Yes, for challenging hikes, consider the Holy Jim trail to Santiago Peak, a strenuous 16-mile round trip gaining about 4,000 feet in elevation. It's also possible to hike both Modjeska and Santiago peaks in a single, strenuous outing. Robber's Peak also features a challenging final climb that rewards with panoramic vistas.
While many peaks involve strenuous climbs, trails leading to peaks like Gilman Peak in Chino Hills State Park can be adapted for families, especially the initial sections. For easier options, consider shorter loops like the Lake View Trail around Upper Reservoir in Peters Canyon Regional Park, which is an easy 4.1 km hike. You can find more options on the Hiking around Orange guide.
The spring and winter months are generally ideal for hiking Orange County's mountain peaks. Spring offers wildflowers and fewer insects, while winter can bring snow to higher elevations like Santiago Peak. Early mornings are recommended for trails with little shade, such as San Juan Hill, to avoid the heat.
Yes, it is possible to hike both Santiago Peak and Modjeska Peak in a single, strenuous outing. The peaks are less than a mile apart, making a combined trek a popular, albeit challenging, option for experienced hikers.
The mountain peaks and surrounding areas in Orange County are home to diverse wildlife. While specific sightings vary, you might encounter various bird species, deer, coyotes, and smaller mammals. Always be aware of your surroundings and respect the natural habitat.
Yes, Gilman Peak in Chino Hills State Park is a popular spot for trail running, with a seven-mile round trip from the Discovery Center to its exposed summit. Robber's Peak also makes for a great quick run, especially if you're in the nearby neighborhoods. For more running routes, check out the Running Trails around Orange guide.
Several loop hikes are available near Orange County's peaks. For example, the Robbers Peak loop via Santiago Creek Trail in Santiago Oaks Regional Park is a moderate 8.4 km hike. You can explore more options, including various difficulty levels, on the Hiking around Orange guide.
Parking availability varies by trailhead. For popular trails like the Holy Jim trail to Santiago Peak or routes starting from the Discovery Center for Gilman Peak, designated parking areas are usually available, though they can fill up quickly on weekends. It's always advisable to arrive early, especially for popular spots.
For hiking Orange County's peaks, wear layers to adapt to changing temperatures, as it can be cooler at higher elevations. Sturdy hiking boots are essential, and sun protection (hat, sunscreen) is crucial due to exposed trails. Bring plenty of water, especially for trails with little shade like San Juan Hill.
From the summit of Santiago Peak, on clear days, views can extend to the Pacific Ocean and Catalina Islands. Modjeska Peak also offers unobstructed 360-degree views that include the Pacific Ocean. Bedford Peak also provides views of Catalina Island.
Yes, mountain biking is a popular activity in the region. Robber's Peak is a known spot for mountain bikers, offering panoramic views. You can find various mountain biking routes, including challenging ones like the Beek's Place – Maple Springs gate loop, on the Gravel biking around Orange guide.
Santiago Peak is unique as the highest point in Orange County and the Santa Ana Mountains. It hosts a telecommunications antenna farm, which, while obstructing direct 360-degree views from the very top, allows for extensive panoramic vistas by walking around its perimeter. It also experiences snow at least once during most winters.
Modjeska Peak is named after the famous Polish Shakespearean actress Helena Modjeska, who resided in Modjeska Canyon at the base of the mountain. This historical connection adds a cultural layer to the natural beauty of the peak.


See even more amazing summits around Orange with these guides: