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16.2 km
~5 hrs 49 min
1551 m
Out and Back
“Embark on the rigorous Mailbox Peak Trail for breathtaking summit views and a rewarding challenge.”
Starting your adventure near King County, Washington, the Mailbox Peak Trail is an out-and-back trail that spans approximately 16 km (10 miles) with an elevation gain of around 1500 meters (4921 feet). This trail is known for its challenging ascent and rewarding summit views, making it a popular choice for hikers seeking a rigorous workout and stunning scenery.
To reach the trailhead, you can drive or use public transportation. If driving, head towards the Middle Fork Snoqualmie River Road near North Bend, Washington. The nearest significant landmark is the Middle Fork Snoqualmie Trailhead, located at 43000 SE Middle Fork Rd, North Bend, WA 98045. From here, follow the signs to the Mailbox Peak Trailhead. For those using public transport, take a bus to North Bend and then a taxi or rideshare service to the trailhead.
The trail begins with a relatively gentle incline through dense forest, offering a serene start to your hike. As you progress, the trail becomes steeper and more rugged. The first 3 km (1.9 miles) involve a steady climb with an elevation gain of about 300 meters (984 feet), providing a good warm-up for the more strenuous sections ahead.
At around the 3 km (1.9 miles) mark, you'll encounter a junction where you can choose between the Old Trail and the New Trail. The Old Trail is steeper and more direct, while the New Trail offers a more gradual ascent with switchbacks. Both trails converge near the summit, so choose based on your preference for a steeper climb or a longer, more gradual ascent.
As you ascend, keep an eye out for local wildlife such as black bears, deer, and various bird species. The forest is rich with Douglas fir, western hemlock, and cedar trees, providing ample shade and a lush, green environment. During spring and summer, wildflowers such as trillium and lupine add vibrant colors to the landscape.
The final push to the summit is the most challenging part of the hike, with a steep incline and rocky terrain. This section covers approximately 2 km (1.2 miles) with an elevation gain of about 600 meters (1968 feet). As you near the top, you'll be rewarded with panoramic views of the surrounding mountains and valleys. The summit is marked by a mailbox, where hikers often leave notes and mementos.
The Mailbox Peak Trail has a rich history, with the mailbox at the summit serving as a unique landmark for decades. Originally placed by a group of hikers in the 1960s, the mailbox has become a symbol of the trail's challenging nature and the camaraderie among hikers who conquer it.
Given the trail's difficulty, it's essential to be well-prepared. Use HiiKER for accurate navigation and trail information. Ensure you have proper hiking boots, plenty of water, and snacks. Weather conditions can change rapidly, so bring layers and be prepared for rain or snow, especially at higher elevations.
The descent can be just as challenging as the ascent, particularly on the steeper sections. Take your time and use trekking poles if you have them to help with stability. The total round trip will take most hikers between 6 to 8 hours, depending on pace and trail conditions.
By following these guidelines and being well-prepared, you'll have a safe and enjoyable hike on the Mailbox Peak Trail, experiencing some of the best natural beauty that Washington has to offer.
Days planned around your pace, with somewhere to stay each night.
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