Lost Lake Trail and Greenwater Lakes Trail

Starting near King County, Washington, the Lost Lake Trail and Greenwater Lakes Trail is an 18 km (approximately 11 miles) out-and-back hike with an elevation gain of around 800 meters (2,625 feet). This trail is rated as medium difficulty, making it suitable for moderately experienced hikers.

Getting There

To reach the trailhead, you can drive or use public transport. If driving, head towards the Greenwater Lakes Trailhead, located near the town of Greenwater, WA. From Seattle, take I-5 South to WA-18 East, then merge onto WA-410 East. Follow WA-410 East until you reach the Greenwater Lakes Trailhead. For those using public transport, take a bus to Enumclaw, WA, and then arrange for a local taxi or rideshare to the trailhead.

Trail Overview

The trail begins at the Greenwater Lakes Trailhead, which is well-marked and offers parking facilities. The initial section of the trail is relatively flat, winding through lush forests of Douglas fir and western red cedar. After about 1.6 km (1 mile), you will reach the first of the Greenwater Lakes. This is a great spot to take a short break and enjoy the serene waters.

Greenwater Lakes to Lost Lake

Continuing on, the trail becomes more challenging as you start to gain elevation. Around the 4.8 km (3 miles) mark, you will encounter a series of switchbacks that will take you up approximately 300 meters (984 feet) in elevation. This section can be strenuous, so take your time and stay hydrated.

Significant Landmarks

At around 6.4 km (4 miles), you will come across a beautiful waterfall cascading down the rocks. This is a popular spot for photos and a brief rest. The trail then continues through alpine meadows filled with wildflowers during the summer months. Keep an eye out for wildlife such as deer, elk, and various bird species.

Historical Significance

The region has a rich history, with the trail passing through areas that were once used by Native American tribes for hunting and gathering. In the early 20th century, the area saw logging activity, remnants of which can still be seen in the form of old logging roads and equipment.

Final Stretch to Lost Lake

The final stretch to Lost Lake involves another significant elevation gain of about 200 meters (656 feet) over 2.4 km (1.5 miles). The trail becomes narrower and rockier, so watch your footing. Upon reaching Lost Lake, you will be rewarded with stunning views of the pristine alpine lake surrounded by towering peaks.

Navigation and Safety

For navigation, it is highly recommended to use the HiiKER app, which provides detailed maps and real-time updates. Always check the weather forecast before heading out, as conditions can change rapidly in the mountains. Carry sufficient water, snacks, and a first-aid kit.

Return Journey

The return journey follows the same path back to the trailhead. While descending, take care on the steeper sections to avoid slipping. The entire hike can take anywhere from 6 to 8 hours, depending on your pace and the number of breaks you take.

This trail offers a mix of serene lakes, challenging climbs, and breathtaking views, making it a rewarding experience for those who undertake it.