Best mountain peaks in Plumas County are found within the Sierra Nevada mountains of California, offering a diverse range of peaks. The region is characterized by rugged terrain where the Sierra Nevada and Cascade ranges converge. This convergence provides a scenic backdrop for outdoor activities and opportunities for expansive panoramic views. Plumas County features numerous mountain peaks that are notable for their natural features and recreational opportunities.
Last updated: April 28, 2026
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Popular around Plumas County
Pacific Crest Trail from Mexico to Canada – 4,200 kilometres of wilderness
The tour of your life – music trails on the Pacific coast
California to Nevada – hiking between Volcanoes, Water & Forest
The pristine beauty of the US National Parks
Hiking in Plumas County
MTB Trails in Plumas County
Running Trails in Plumas County
Cycling in Plumas County
Road Cycling Routes in Plumas County

Gravel biking in Plumas County
Making it to the top of Eureka Peak is worth the effort. You'll find incredible views of the surrounding peaks and valleys including Mount Washington and the Sierra Buttes. Be aware, some parts of the trail can be a bit rocky so be sure footed as you make your way to the peak.
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Up a small offshoot from the main trail, you'll feel on top of the world looking down upon the Lakes Basin area. The summit is a small area with almost 360 degree views. If you're not feeling up to hiking to the top, there are plenty of views along the main trail that traverses the ridge below the summit.
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Down a short path from the PCT, the summit of Spanish Peak offers views for as far as the eye can see. On a clear day, looking east, you can see Quincy and beyond.
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The Mount Harkness Fire Lookout sits on the summit of Mount Harkness. The lookout has been in operation since its construction in 1930. Seasonal staff stationed at the lookout continue the vigil today and are often available to answer visitor questions and demonstrate fire lookout techniques. At an elevation over 8,000 feet, Mount Harkness provides excellent views of the park and distant mountain ranges.
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From the unnamed summit of the ridge, that often stays snow-covered into late July, the view to the west ranges across a basin of many lakes, with Round Lake in the foreground, Big Bear and others further east.
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The side trail to Butt Mountain was completely destroyed by the Dixie Fire in 2021. The area is very dusty from the ashes.
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The PCT balances for a couple of miles on the mostly treeless sharp spine of the ridge, or weaves back and forth along the contour tust below the peaks, with sweeping views to all sides.
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Though only marked on OSM/kommot since 2020/2021, a one-mile fairly level trail has long branched off here to Butt Mountain summit. After storms or wildfire you might have to navigate around fallen tree debris for a while until cleared.
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Plumas County offers diverse trails. For a challenging hike with rewarding views, consider the trail to Spanish Peak Summit, which includes a portion of the Pacific Crest Trail. Another option is the hike to View from Eureka Peak, known for its incredible vistas of surrounding peaks and valleys. The Lakes Basin Recreation Area, home to Mount Elwell, also features miles of trails and connections to the Pacific Crest Trail.
The highest and most prominent mountain in Plumas County is Mount Ingalls, standing at 8,377 feet (2,551.79 meters). Its significant prominence makes it a notable landmark, offering challenging climbs and expansive panoramic views for experienced hikers.
For stunning panoramic views, visit Round Lake Overlook, which provides vistas across a basin of many lakes, with Round Lake in the foreground. Another excellent spot is Bunker Hill Ridge, where the Pacific Crest Trail offers sweeping views in all directions from its mostly treeless spine.
Yes, Mount Harkness Fire Lookout, located on the summit of Mount Harkness, has been in operation since 1930. Seasonal staff are often available to answer questions about fire lookout techniques. Additionally, Thompson Peak features a two-story fire lookout completed in 1932, which is still actively used by the Plumas National Forest and offers historical significance.
Plumas County's peaks offer diverse natural features. Near Mount Elwell, you'll find the Lakes Basin Recreation Area with dozens of alpine lakes. Mount Harkness, near Lassen Volcanic National Park, suggests volcanic landscapes and unique geological features. Thompson Peak is notable for its ridgeline, believed to be the source of the Lovejoy Basalt, one of California's largest eruptive units.
Plumas County experiences distinct four seasons. While specific peak recommendations vary, generally, late spring through early fall (May to October) offers the most favorable conditions for hiking and exploring, with less snow and milder temperatures. Some higher elevations, like the Round Lake Overlook, can remain snow-covered into late July.
While many peaks offer challenging terrain, the broader Plumas County area, especially within the Lakes Basin Recreation Area, provides a variety of trails. Look for shorter, less strenuous paths around the numerous lakes for family-friendly options. Always check trail difficulty and length before heading out with children.
Beyond hiking, Plumas County is an outdoor recreation paradise. You can find numerous cycling opportunities, including road cycling and gravel biking. For example, explore routes like the Sierra Valley loop or the Rocky Point loop. You can find more details on these activities in the Road Cycling Routes in Plumas County, Gravel biking in Plumas County, and Cycling in Plumas County guides.
The difficulty varies significantly. Peaks like Mount Ingalls and Dixie Mountain, being among the highest, suggest rigorous hiking suitable for experienced individuals. Trails to Spanish Peak Summit are considered more challenging. However, areas like the Lakes Basin near Mount Elwell offer a range of trails, from moderate to difficult. Always check specific trail conditions and elevation gains.
Visitors appreciate the diverse natural beauty, from expansive panoramic views to alpine lakes. The connection to long-distance trails like the Pacific Crest Trail, as seen near Bunker Hill Ridge and Butt Mountain Trail Junction on PCT, is also a major draw. The tranquility and adventurous experience offered by the county's vast national forest lands are highly valued.
The side trail to Butt Mountain Trail Junction on PCT was significantly impacted by the Dixie Fire in 2021, making the area very dusty from ashes. While a one-mile trail to the summit has historically branched off here, be prepared for potential fallen tree debris after storms or wildfires, which might require navigation until cleared.
Generally, permits are not required for day hiking in most areas of Plumas County's national forests. However, it's always advisable to check with the local Plumas National Forest office for the most current regulations regarding specific trails, overnight camping, or any potential parking fees at popular trailheads, especially during peak seasons.


Discover Plumas County’s best peaks and summits by region:
See even more amazing summits in Plumas County with these guides: