San Gabriel Mountains National Monument
San Gabriel Mountains National Monument
Best natural monuments in San Gabriel Mountains National Monument are found across its over 452,000 acres in Southern California. This area serves as a vital sanctuary for wildlife and a critical water resource for the Los Angeles Basin. The monument features diverse ecosystems, from chaparral and oak woodlands to coniferous forests and alpine zones. It offers a range of natural landscapes for outdoor exploration.
Last updated: July 8, 2026
Highlight β’ Summit
Tip by
Highlight β’ Summit
Tip by
Sign up now to discover places like this
Get recommendations on the best single tracks, peaks, & plenty of other exciting outdoor places.
Sign up for free
Highlight β’ Summit
Tip by
Highlight β’ Summit
Tip by
Highlight β’ Summit
Tip by
Highlight β’ Summit
Tip by
Highlight β’ Forest
Tip by
Highlight β’ Summit
Tip by
Highlight β’ Summit
Tip by
Highlight β’ Waterfall
Tip by
Sign up for free to discover even more natural monuments in San Gabriel Mountains National Monument.
Sign up for free
Already have an account?
Start today with a free account
Your next adventure awaits.
Login or Signup
Popular around San Gabriel Mountains National Monument
Pacific Crest Trail from Mexico to Canada β 4,200 kilometres of wilderness
Hiking in San Gabriel Mountains National Monument
MTB Trails in San Gabriel Mountains National Monument
Running Trails in San Gabriel Mountains National Monument
Road Cycling Routes in San Gabriel Mountains National Monument
Cycling in San Gabriel Mountains National Monument
Gravel biking in San Gabriel Mountains National Monument
West Baldy is the high sub-peak to Mount San Antonio (Mount Baldy). It is the second highest named point in the San Gabriel Mountains and Los Angeles County. Mount Baldy itself can have quite a crowd during the weekend whereas West Baldy you can usually stand alone finding solitude.
1
0
Mount Harwood is the first summit east of Mount San Antonio. The United States Geological Survey recognized the name to honor California educator and conservationist Aurelia Squire Harwood in 1965
1
0
Dedicated trail-goers will take a potato to the summit to leave as an offering to the potato gods. Check out the summit book, and the echo beneath the metal plate on the top of the tank!
0
0
At an elevation of 3,422 feet, this summit provides breathtaking views of the San Gabriel Mountains. The mountain earned its name from the tradition of people leaving potatoes with messages and drawings on them.
0
0
West Baldy lies directly west of Mount San Antonio (Mt. Baldy) via a well-marked, well-traveled trail. Standing at 9988 feet above sea level, this high sub-peak to Mount San Antonio offers fantastic views of Mount San Antonio and the surrounding area. In comparison to Mount San Antonio, this summit is quiet and can be a nice place to escape the crowds at the high point of Los Angeles County.
0
0
Mount Harwood stands at 9552 feet and is directly east of Mount San Antonio on its long eastern ridge line. Named for Aurelia Squire Harwood, a prominent conservationist and Sierra Club Member, this incredible summit grants panoramic views of the entire area and of Mount San Antonio.
0
0
At 8,041 feet, Waterman Mountain is the highest point in the San Gabriel Wilderness and marks the northern boundary of the wilderness. There are a couple small ski areas on its northern side and its summit can be accessed either via roads and trails associated with these ski areas or from the PCT. You get nice views from the top of this relatively flat, treed summit and there it frequently snow in the spring and into the early summer. Even though it is a tall peak, you will probably only encounter one or two other hikers, so its a fantastic place to escape the LA crowds and enjoy the fresh mountain air.
0
0
The falls are easy to access and are located right next to the trail. This spot is at the top of the waterfalls.
0
0
The monument is home to several impressive natural features. You can explore Mount San Antonio ("Mt. Baldy"), the highest peak in Los Angeles County, offering diverse ecosystems and panoramic views. Another notable summit is Mount Baden-Powell, known for its stunning vistas and proximity to the Pacific Crest Trail. For historical intrigue combined with natural beauty, consider Echo Mountain, where you can see the ruins of the Mount Lowe Railway.
Yes, the monument features several beautiful waterfalls. Mount San Antonio itself is home to San Antonio Falls, accessible via a short hike. Switzer Falls is another popular destination with upper and lower falls and a refreshing swimming hole. Other notable waterfalls include Eaton Canyon Waterfall, Trail Canyon Falls, Monrovia Canyon Falls, and Millard Falls, offering diverse experiences for visitors.
Many natural monuments in the San Gabriel Mountains National Monument offer breathtaking panoramic views. From Mount San Antonio ("Mt. Baldy"), you can see the Los Angeles metropolitan area. Mount Islip provides expansive views of the Los Angeles Basin, the Mojave Desert, and the Pacific Ocean. Echo Mountain also offers stunning vistas of the Los Angeles Basin, and on clear days, even Santa Catalina Island.
Chantry Flats is an excellent family-friendly option. It's a designated Recreation Area with a large public picnic area nestled under oak trees, serving as a starting point for historic trails like the Gabrielino Trail. While many summits require challenging hikes, areas like Chantry Flats offer a more relaxed natural experience.
The San Gabriel Mountains National Monument is rich in history. Echo Mountain features the fascinating ruins of the historic Mount Lowe Railway, a testament to early 20th-century mountain tourism. Chantry Flats is home to the last pack station in Southern California and is considered a living museum of the great hiking era. Switzer Falls also has the history of a former wilderness resort, Switzer's Camp.
The best time to visit depends on your desired activity. Spring and fall generally offer pleasant temperatures for hiking. In winter, higher peaks like Mount San Antonio ("Mt. Baldy") transform into popular destinations for skiing and snowboarding, but require appropriate gear for hiking. Waterfalls are often most impressive in early spring after winter storms.
The San Gabriel Mountains National Monument offers a wide range of outdoor activities. You can find numerous hiking trails, from easy strolls to challenging summit ascents. For cycling enthusiasts, there are many routes available, including challenging road cycling and gravel biking options. Explore more about these activities on our guides for easy hikes, cycling, and gravel biking in the region.
Beyond the prominent peaks, the monument features diverse geological formations. You can find granite slot canyons, which are rugged and offer unique challenges for canyoneering. The varied terrain, from chaparral to alpine zones, showcases a wide range of geological processes and ecosystems.
While not entirely hidden, areas like the Coulter Pine Trees offer a unique natural monument experience focusing on specific flora rather than just summits. Exploring the various smaller waterfalls and granite slot canyons mentioned in the 'Waterfalls and Canyons' section can also lead to more secluded and adventurous discoveries away from the most popular trails.
Parking can fill up quickly at popular trailheads, especially on weekends, so arriving early is often recommended. Some areas within the San Gabriel Mountains National Monument may require an Adventure Pass for parking. It's advisable to check specific requirements for your chosen destination before your visit.
While direct public transportation to all trailheads and natural monuments can be limited, some areas might be accessible via regional bus services or shuttle programs, particularly those closer to urban centers. Planning your route in advance and checking local transit authority websites for specific routes and schedules is recommended.
Mount San Antonio, or "Mt. Baldy," is popular due to its status as the highest point in Los Angeles County, offering challenging trails and rewarding panoramic views. Its diverse ecosystems, from chaparral to alpine zones, attract hikers and climbers. In winter, its snow-capped peak becomes a draw for skiing and snowboarding, making it a year-round adventure destination.


Find even more amazing natural monuments in San Gabriel Mountains National Monument by checking out the top Highlights region by region:
Extend your search for the best caves by checking out these guides of the top ones in San Gabriel Mountains National Monument: