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San Bernardino County

Oak Glen

The 8 Most Amazing Peaks around Oak Glen

Best mountain peaks around Oak Glen are situated in the foothills of the San Bernardino Mountains. This area provides access to several notable mountain peaks that offer expansive views and a rich natural environment. The Wildlands Conservancy has preserved many prominent peaks, forming a scenic backdrop for the region. The area features diverse habitats including ponds, streams, wetlands, and forests.

Best mountain peaks around Oak Glen

  • The most popular mountain peaks is San Bernardino East Peak, a summit that…

Last updated: May 12, 2026

San Bernardino East Peak

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San Bernardino Peak East is located a mile east of San Bernardino Peak and is a perfect spot to enjoy stunning mountain views and some solitude. If a day hike …

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Mount San Gorgonio Summit

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San Gorgonio Mountain, also called Mount San Gorgonio or Old Greyback, is the highest peak in Southern California, standing at 11,503 feet. The mountain has a pyramid-like shape, with a …

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San Bernardino Peak

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Deep within the San Gorgonio Wilderness, San Bernardino Peak is still a well kept secret to enjoy stunning mountain views and some solitude. If a day hike is too ambitious …

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Onyx Summit

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This legendary climb takes you to the highest and longest peak in Southern California, ascending through the picturesque San Bernardino Mountains. Starting from the U.S. Forest Service Mill Creek Visitor …

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Vivian Creek Trail is the steepest trail to summit San Gorgonio Mountain, but the scenery will compensate your effort and sweat. You hike along the burbling Vivian Creek and the …

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Popular around Oak Glen

Hiking around Oak Glen

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Alexandra Pavia
April 29, 2025, Onyx Summit

This legendary climb takes you to the highest and longest peak in Southern California, ascending through the picturesque San Bernardino Mountains. Starting from the U.S. Forest Service Mill Creek Visitor Center, you'll face varying weather conditions, with hot summers and stormy, chilly winters adding to the challenge. The road leads you all the way to Big Bear Lake, offering stunning vistas of dense forests, rugged mountain terrain, and expansive valleys below, making it a rewarding experience for those willing to brave the elements and enjoy the beauty of the San Bernardino National Forest.

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San Gorgonio Mountain, also called Mount San Gorgonio or Old Greyback, is the highest peak in Southern California, standing at 11,503 feet. The mountain has a pyramid-like shape, with a steep north face and a gentler south face. On clear days, hikers can enjoy expansive 360-degree views of San Gorgonio Wilderness and even the Pacific Ocean.

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Vivian Creek Trail is the steepest trail to summit San Gorgonio Mountain, but the scenery will compensate your effort and sweat. You hike along the burbling Vivian Creek and the treeline opens up for stunning vistas of Mount San Jacinto. There are two campsites along the trail: Halfway Camp and High Creek Camp if you want to split your hike into more than a day. Since this is a quite popular trail up to San Gorgonio Mountain, you will need to obtain a free permit as soon as you plan your hike. Quotas fill up early!

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San Bernardino Peak East is located a mile east of San Bernardino Peak and is a perfect spot to enjoy stunning mountain views and some solitude. If a day hike is too ambitious or you just want to experience the landscape a little longer, coming from east you can pitch you tent at Jackstraw Campground or Limber Pine Bench coming from the west. You will need to obtain a permit to hike here: https://www.fs.usda.gov/detail/sbnf/news-events/?cid=FSEPRD779200 NOTE: Due to the 2020 El Dorado Fire the San Bernardino Peak is closed. The forest order is set to expire March 31, 2022.

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Deep within the San Gorgonio Wilderness, San Bernardino Peak is still a well kept secret to enjoy stunning mountain views and some solitude. If a day hike is too ambitious or you just want to experience the landscape a little longer, you can pitch you tent at some established campsites along the trails leading up to the peak. You will need to obtain a permit to hike here: https://www.fs.usda.gov/detail/sbnf/news-events/?cid=FSEPRD779200 NOTE: Due to the 2020 El Dorado Fire the San Bernardino Peak is closed. The forest order is set to expire March 31, 2022.

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This is a tough hike, but a nice one to check off your bucket list. Incredible views from this point.

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Frequently Asked Questions

What are some prominent mountain peaks to explore around Oak Glen?

The Oak Glen area, nestled in the San Bernardino Mountains, offers access to several notable peaks. You can explore San Bernardino East Peak, known for stunning mountain views and solitude, or the challenging Mount San Gorgonio Summit, Southern California's highest peak. Other significant peaks include Oak Glen Peak, Wilshire Peak, and Cedar Mountain, which are often hiked together for a strenuous trek.

What kind of views can I expect from the mountain peaks around Oak Glen?

From many of the peaks, you can expect expansive and breathtaking views. For instance, Mount San Gorgonio Summit offers 360-degree views of the San Gorgonio Wilderness and, on clear days, even the Pacific Ocean. Wilshire Peak provides views of Mount San Gorgonio, while Preservation Point within the Oak Glen Preserve offers 'epic' vistas of the surrounding natural landscape.

Are there challenging hikes to mountain peaks in the Oak Glen area?

Yes, the region is known for challenging climbs. The hike to Mount San Gorgonio Summit is a significant undertaking, often considered a full-day conquest. The multi-peak traverse involving Oak Glen Peak, Wilshire Peak, and Cedar Mountain is also strenuous. The Vivian Creek Trail, leading to San Gorgonio Mountain, is noted as the steepest route to the summit.

Are there any less crowded mountain peaks for a more solitary experience?

For those seeking solitude, San Bernardino East Peak and San Bernardino Peak, both deep within the San Gorgonio Wilderness, are excellent choices. They are described as well-kept secrets where you can enjoy stunning mountain views and peace away from larger crowds.

What natural features can I observe while hiking the peaks around Oak Glen?

The area is rich in diverse habitats. Within the Wildlands Conservancy Oak Glen Preserve, you can find ponds, streams, wetlands, and forests. Trails often feature California native plants and wildlife. The Vivian Creek Trail, for example, follows a burbling creek and offers views of Mount San Jacinto as the treeline opens up.

Are there any family-friendly or easier mountain hikes near Oak Glen?

While many peaks offer challenging climbs, the Oak Glen Preserve itself provides easier options. Preservation Point, a 2-mile out-and-back trail within the preserve, offers great views and is a good workout without being overly strenuous, making it suitable for families. The preserve also has other loops that are less demanding.

What outdoor activities can I do near these mountain peaks besides hiking?

Beyond hiking, the Oak Glen area is popular for cycling and running. You can find various routes for touring bicycles, road cycling, and jogging. For instance, there are cycling routes like the 'Crafton Hills Reservoir – Yucaipa Regional Park loop' and road cycling routes such as 'Mill Creek Visitors Center to Onyx Summit'. Running trails include the 'Vivian Creek Trail loop' and 'Zanja Peak loop'. You can find more details on these activities in the Cycling around Oak Glen, Running Trails around Oak Glen, and Road Cycling Routes around Oak Glen guides.

Do I need a permit to hike certain mountain peaks in the Oak Glen area?

Yes, for some of the more remote and protected peaks, permits are required. For example, to hike to San Bernardino East Peak, San Bernardino Peak, or Mount San Gorgonio Summit via the Vivian Creek Trail, you will need to obtain a free permit. Quotas for popular trails can fill up early, so it's advisable to plan ahead.

What is the best time of year to hike the mountain peaks around Oak Glen?

The best time to hike depends on the specific peak and your tolerance for conditions. Many trails, like Zanja Peak and Morton Peak, lack shade, making cooler times of day or year advisable to avoid the summer heat. For higher elevation peaks, conditions can vary, with stormy, chilly winters and hot summers. Always check current weather and trail conditions before heading out.

Are there any other notable peaks or trails further afield from Oak Glen?

Yes, while not directly in Oak Glen, several other significant peaks and trails are accessible from the broader region. These include Mount San Antonio (Mt. Baldy), known for its challenging Bear Canyon Trail, and Mount Baden-Powell, accessible via the Pacific Crest Trail. These offer additional options for experienced hikers looking for more extensive adventures.

What is the significance of The Wildlands Conservancy in the Oak Glen area?

The Wildlands Conservancy has played a crucial role in preserving many of the prominent peaks and natural areas around Oak Glen. They have acquired peaks like Oak Glen Peak, Wilshire Peak, and Cedar Mountain to protect them from residential development, ensuring the scenic backdrop and diverse habitats of the region are maintained for public enjoyment and conservation.

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See even more amazing summits around Oak Glen with these guides:

San Bernadino MountainsSan Bernardino National ForestBig Bear CityBig Bear LakeWrightwoodLytle CreekChino HillsRancho CucamongaRedlandsYucaipaSand To Snow National MonumentSand To Snow National MonumentSan Antonio HeightsChinoCucamonga Wilderness

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