Buckskin Ridge Trail is a 16.8-mile route through the high country of Washington's Pasayten Wilderness, connecting Slate Pass to Harts Pass with long ridge walks, two alpine lakes, and wide views across the North Cascades. The route climbs to 7,300 feet before descending to the Pasayten River valley, and the effort it demands is repaid in scenery.
The trail is best suited for experienced backpackers comfortable with primitive trails, steep grades, and potential routefinding challenges. Recent trail maintenance by Washington Trails Association has significantly improved conditions, but expect some sections with faint tread, particularly past Silver Pass. This is classic North Cascades wilderness: remote, rugged, and beautiful.
Backpackers typically spend 2-3 days on this trail one-way, or combine it with connecting trails for multi-day loop trips of 40-50 miles. The most popular loop incorporates the West Fork Pasayten Trail, Pacific Crest Trail, and Boundary Trail. Buckskin Lake and Silver Lake are the primary camping destinations, though dispersed camping is permitted throughout the wilderness.
Pasayten Wilderness requires a free self-issued wilderness permit available at all trailheads. Fill out the permit before entering; it's non-quota and takes just a minute. No advance reservations needed.
Parking at Slate Pass, Harts Pass, and other Okanogan-Wenatchee National Forest trailheads requires a Northwest Forest Pass ($5 day pass or $30 annual pass). Purchase at the trailhead or online at https://www.fs.usda.gov/main/okawen/passes-permits. Display the pass on your dashboard.
Standard wilderness regulations apply: camp at least 100 feet from water sources, pack out all trash, and minimize campfire impacts. The Forest Service strongly discourages campfires in fragile alpine areas above treeline; use a backpacking stove instead. Group size limit is 12 people.
Proper food storage is required for black bear habitat. Bear canisters are not mandatory but recommended, especially if camping near the popular lakes. At minimum, hang food properly or use bear-resistant bags. No grizzly bear precautions are required, though a small population exists in the broader North Cascades ecosystem.
Late July through September has the most reliable conditions. The Harts Pass Road (Forest Service Road 5400) typically opens in early-to-mid July depending on snowmelt and stays open through September or October until snowfall closes it. Call the Methow Valley Ranger District at (509) 996-4003 for current road status before your trip.
August is the sweet spot for stable weather, minimal snow, and reliable water sources. Early season (July) brings higher water levels for fords but also lingering snow patches above 7,000 feet. Late September into early October brings golden larch displays and fewer crowds, but water sources become scarce and early season storms are possible.
Wildflowers peak in late July through early August, filling the meadows with lupine, paintbrush, and aster. Larch trees turn golden from late September through early October, with the peak window typically October 1-7. The golden period lasts just 10-14 days, so timing is critical if larches are your goal.
Avoid early season (June through early July), when roads are closed and the snowpack remains significant. Late October sees road closures and winter weather moving in.
Silver Lake (5 miles from Slate Pass) is the first reliable water source and a popular refill point. Buckskin Lake (approximately 8-9 miles from Slate Pass) provides another dependable source. Between these lakes, water becomes scarce on the high ridge sections, so carry 2-3 liters when traversing exposed ridgeline.
Early season (July-August) has more water from snowmelt creeks and drainage streams, but by late August and September many small creeks dry up. A couple of small drainage creeks hold the bare minimum for refills during drier periods. Fill at every reliable source and plan your camp locations around water availability.
The descent toward the Pasayten River valley provides abundant water, including the river itself and Robinson Creek. The Middle Fork Pasayten River requires fording in at least two locations if connecting to loop trails; these crossings are typically knee-to-thigh deep in normal conditions.
The nearest resupply is Mazama, WA (19 miles from Harts Pass), a small community with a general store carrying basic backpacking supplies, limited groceries, and prepared food. Winthrop (40 miles from Harts Pass) has full grocery stores, outdoor shops, and restaurants. No mail drops are available at trailheads. Plan to carry all food for your entire trip.
The initial climb from Slate Pass gains 400 feet quickly with few switchbacks; it's steep and unrelenting. The trail becomes primitive past Silver Pass, with faint tread in spots, particularly through talus slopes and meadows. Navigation skills and map/compass or GPS are essential.
Exposure on the high ridge makes this trail dangerous during lightning storms. Afternoon thunderstorms can develop rapidly from June through August. Start early and aim to be off the ridge by early afternoon. Watch for towering cumulus clouds developing dark bases; that's your signal to descend immediately. If you notice hair standing on end or buzzing around metal objects, you're in immediate danger.
River crossings on connecting trails (particularly the Middle Fork Pasayten River) can be difficult during high water. These fords are typically knee-to-thigh deep but can be dangerous during peak snowmelt (June-July). Cross in the morning when flows are lowest.
Black bears are common throughout the wilderness. Make noise while hiking, especially near water sources and berry patches. Store food properly every night. Bear spray is recommended but not required.
The high elevation and steep grades make this trail physically demanding. The 2,000-foot climb to Buckskin Lake spreads over nearly six miles but includes sustained steep sections. Be prepared for tricky footing on talus and rocky sections.
From Winthrop, WA (40 miles, 90+ minutes): Drive west on SR-20 to Mazama. Turn north onto Lost River Road (County Road 9140), which becomes Harts Pass Road (Forest Service Road 5400). Continue 19 miles to Harts Pass. For Slate Pass Trailhead, turn right at Harts Pass onto Forest Road 5400-600 and drive 3.5 miles to the trailhead at 6,900 feet.
The road is narrow, winding gravel with steep drop-offs and no guardrails; it's considered one of Washington's most intimidating mountain roads. High clearance is not required, but confident driving on mountain roads is essential. No trailers allowed. Motorhomes strongly discouraged.
The nearest commercial airport is Paine Field (PAE) in Everett, WA (3.5 hours) or Seattle-Tacoma International (SEA) (4 hours).
Hike Cascades (hikecascades.com) offers shuttle service from Mazama to Harts Pass. Two-hiker minimum or $120 minimum charge. Book in advance during peak season.
Methow Motion Shuttle Services (methowmotion20.com) provides trailhead transportation throughout the Okanogan-Wenatchee National Forest under a USFS special use permit.
Parking at the Harts Pass and Slate Pass trailheads is limited to 10-15 vehicles. Arrive early on summer weekends or consider weekday trips.
Camp at the southeastern corner of Buckskin Lake in the tall pines for the best site: wide, flat, with views of Pasayten Peak and Mt. Rolo. Silver Lake camps fill quickly on weekends; try the southwest end or above Silver Pass near the tarns for more solitude.
The trail from Slate Pass crosses meadows with dense wildflowers and continuous views for the first 5 miles to Silver Lake. Bring a camera and allow extra time for photos. Berry picking is excellent in late summer along the first few miles.
Routefinding gets harder past Silver Pass. The trail thins out crossing talus slopes and through meadows, so watch for cairns and boot paths. Download offline maps before your trip; cell service is nonexistent.
For larch viewing, the golden window is narrow (late September-early October). Monitor trip reports on Washington Trails Association in mid-September to time your visit. The entire ridge walk passes larch groves at this elevation.
If connecting to loop routes via the PCT or Boundary Trail, be prepared for long daily mileages and significant elevation changes. Most loop itineraries run 40-50 miles over 4-5 days.
Bring layers for cold mornings and potential afternoon storms. Temperatures can drop below freezing at night even in August. A shelter or tent is essential; afternoon thunderstorms are common and can be severe on exposed ridges.
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