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Buckner Mountain is one of the most majestic and remote peaks located in the heart of Washington State's North Cascades. Towering at an elevation of 9,114 feet (2,778 meters), it holds the distinction of being the highest summit in North Cascades National Park. Surrounded by rugged peaks, glaciers, and alpine wilderness, Buckner Mountain offers an extraordinary mountaineering experience for skilled adventurers. Its natural beauty, challenging terrain, and relative isolation make it a treasured destination for climbers and nature lovers alike.

How to Reach Buckner Mountain, Washington

Reaching Buckner Mountain is no easy feat—it involves a long approach, often requiring multiple days of hiking and climbing. The two most common approaches are through Cascade Pass via the Sahale Arm or from the Stehekin Valley.

From Seattle, drive east on Interstate 90, then north on Highway 97, and finally west on Highway 20 (North Cascades Highway) to Marblemount. From there, take the Cascade River Road to the Cascade Pass Trailhead. This is the most popular route, leading to Sahale Glacier and eventually Buckner’s summit.

Alternatively, some climbers access Buckner from the remote village of Stehekin, which is reachable by boat or plane. From there, trails wind through the vast wilderness toward Buckner’s eastern face.

Weather at Buckner Mountain

Buckner Mountain’s high elevation and glaciated terrain make its weather conditions unpredictable and extreme. Summer (July through early September) is the best time to visit, when snow has melted on lower trails and conditions are most stable. Summer temperatures can range from 40°F to 70°F (4°C to 21°C) during the day and fall below freezing at night.

In spring and fall, snowfall and avalanches are common. Winter conditions are extremely hazardous due to deep snow, storms, and ice. Always check the current forecast and avalanche risk before attempting an ascent.

Best Time to Visit Buckner Mountain

The optimal window to climb or visit Buckner Mountain is from mid-July to early September. During this period, trails to Cascade Pass and the Sahale Glacier Camp are usually snow-free, and the glacier conditions are more manageable for mountaineers.

It is essential to start early in the day to avoid sudden afternoon weather changes and to ensure ample daylight for the long ascent and descent. Due to the strenuous nature of the approach and climb, most visitors plan overnight stays at Sahale Glacier Camp or along the trail.

Why Buckner Mountain is Famous in Washington

Buckner Mountain is notable for being the tallest peak in the North Cascades National Park and the 16th highest in the state of Washington. Its rugged and remote nature attracts experienced mountaineers looking for solitude and adventure. The peak is flanked by two glaciers—Boston Glacier and Thunder Glacier—enhancing its alpine beauty.

The mountain is also admired for the views it offers from the summit. From the top, climbers can see a sea of jagged peaks, including Forbidden Peak, Eldorado Peak, Glacier Peak, and even Mount Baker on a clear day. Its prominence and isolated location make it a bucket-list mountain for serious climbers in the Pacific Northwest.

Entry and Visit Details

Buckner Mountain lies within the federally protected North Cascades National Park and Stephen Mather Wilderness. There are no entry fees for hiking, but overnight backcountry permits are required for camping. These permits are issued by the National Park Service and should be reserved in advance, especially during the busy summer season.

Parking at the Cascade Pass Trailhead requires a Northwest Forest Pass, available online or at forest offices. Visitors should be aware that there are no services, stores, or cell phone reception in the area, so all food, water, and gear must be carried in.

History and Geology of Buckner Mountain

Buckner Mountain is named after Henry F. Buckner, an early prospector in the North Cascades region. The first recorded ascent of the mountain was made in 1901 by mountaineers Edward S. Curtis and Asahel Curtis, along with Charles A. Gill and others.

Geologically, Buckner Mountain is composed primarily of granitic rock that is typical of the North Cascades. The glaciers that surround it—especially Boston Glacier, one of the largest in the Cascades—have carved its steep faces and ridges over thousands of years. The rugged appearance and vertical relief are classic examples of alpine glacial erosion.

Things to Do at Buckner Mountain

• Mountaineering: The main activity at Buckner is technical climbing. Routes include the standard West Ridge from Sahale Glacier and the more challenging North Face via Boston Glacier.
• Backpacking: Enjoy multi-day backpacking trips through scenic trails like Cascade Pass, Pelton Basin, and Sahale Arm.
• Photography: Capture panoramic views from Sahale Glacier Camp or along the ridgelines. The mountain’s profile is especially photogenic at sunrise or sunset.
• Wildlife Viewing: Look for marmots, mountain goats, and black bears, which are common in this wilderness area.
• Camping: Set up camp at designated wilderness campsites like Sahale Glacier Camp or Boston Basin (permit required).

Interesting Facts about Buckner Mountain

• Buckner Mountain is the highest peak entirely within North Cascades National Park.
• The mountain is flanked by two large glaciers—Boston Glacier and Thunder Glacier.
• The summit offers one of the most spectacular alpine panoramas in Washington State.
• Because it is so remote, Buckner is often climbed in combination with nearby Sahale Peak or Boston Peak.
• Despite its ruggedness, the mountain sees far fewer climbers than more accessible peaks, making it a true wilderness experience.

Tips for Visiting Buckner Mountain

• Be Prepared: This is a remote and challenging mountain. Ensure you have technical climbing gear and experience navigating glaciers and rock.
• Plan Early: Obtain backcountry permits well in advance during summer months, especially for camping at Sahale Glacier Camp.
• Travel Light but Smart: Bring crampons, ice axes, helmets, ropes, maps, GPS devices, and emergency gear.
• Acclimate Properly: Even though it’s not extremely high in elevation, the long approach and steep ascent require good physical conditioning.
• Leave No Trace: Respect the fragile alpine environment by packing out all waste and minimizing your impact.
• Check Conditions: Contact ranger stations for updates on snow conditions, trail closures, and wildlife activity.