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19.8 km
~5 hrs 29 min
913 m
Out and Back
“Embark on the Dorothy Lake Trail for a mesmerizing 20-kilometer journey through Washington's lush, historic wilderness.”
Starting near King County, Washington, the Dorothy Lake Trail offers a captivating journey through the lush landscapes of the Pacific Northwest. This out-and-back trail spans approximately 20 kilometers (12.4 miles) with an elevation gain of around 900 meters (2,950 feet), making it a moderately challenging hike suitable for those with some experience.
To reach the trailhead, you can drive or use public transportation. If driving, head towards the Snoqualmie Pass area, and you can park at the trailhead located near the Alpental Ski Area. For those using public transport, you can take a bus to the North Bend Park and Ride, and from there, arrange a taxi or rideshare to the trailhead.
The trail begins with a gentle ascent through dense forest, where you'll be surrounded by towering Douglas firs and western hemlocks. The first few kilometers are relatively easy, allowing you to acclimate to the terrain. As you progress, the trail becomes steeper, and you'll start to gain elevation more rapidly.
Around the 5-kilometer (3.1-mile) mark, you'll encounter a picturesque waterfall cascading down moss-covered rocks. This is a great spot to take a short break and enjoy the serene surroundings. Continuing on, the trail winds through a series of switchbacks, offering glimpses of the surrounding mountains and valleys.
The Dorothy Lake Trail is rich in biodiversity. Keep an eye out for various species of birds, including the Pacific wren and the varied thrush. You might also spot black-tailed deer and, if you're lucky, a black bear in the distance. The flora is equally impressive, with vibrant wildflowers such as lupines and Indian paintbrushes dotting the landscape during the spring and summer months.
At approximately 10 kilometers (6.2 miles) in, you'll reach Dorothy Lake. Nestled in a glacial basin, the lake's crystal-clear waters reflect the surrounding peaks, creating a stunning panorama. This is an ideal spot for lunch or a longer rest. The lake is also a popular spot for fishing, so bring your gear if you're interested.
The area around Dorothy Lake has a rich history. It was originally inhabited by the Snoqualmie Tribe, who used the land for hunting and gathering. In the early 20th century, the region saw an influx of settlers and loggers, which led to the development of some of the trails we use today. Hiking this trail offers a glimpse into the past, as you traverse paths that have been walked for centuries.
Given the moderate difficulty of the trail, it's essential to come prepared. Use HiiKER to download the trail map and keep track of your progress. The trail is well-marked, but having a reliable navigation tool is always a good idea. Ensure you have adequate water, snacks, and appropriate clothing, as weather conditions can change rapidly in the mountains.
The Dorothy Lake Trail is a rewarding hike that offers a mix of natural beauty, wildlife, and historical significance. Whether you're an experienced hiker or looking to challenge yourself, this trail provides an unforgettable experience in the heart of Washington's wilderness.
Days planned around your pace, with somewhere to stay each night.
What to expect?
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4.65
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