Greenwater Lakes, Echo Lake and Noble Knob Loop Trail

Starting near King County, Washington, the Greenwater Lakes, Echo Lake, and Noble Knob Loop Trail offers a captivating 38 km (approximately 24 miles) journey with an elevation gain of around 1900 meters (about 6200 feet). This loop trail is rated as medium difficulty, making it suitable for hikers with some experience and a good level of fitness.

### Getting There To reach the trailhead, you can drive or use public transportation. If driving, head towards the Greenwater Lakes Trailhead, located near the town of Greenwater, WA. For those using public transport, the nearest significant landmark is Enumclaw, WA. From Enumclaw, you can take a local taxi or rideshare service to the trailhead.

### Trail Overview The trail begins with a gentle ascent through lush forest, leading you to the serene Greenwater Lakes. This initial section is relatively easy, allowing you to acclimate to the surroundings. The lakes are a perfect spot for a short break, offering picturesque views and the opportunity to spot local wildlife such as deer and various bird species.

### Greenwater Lakes to Echo Lake Continuing from Greenwater Lakes, the trail becomes more challenging as you head towards Echo Lake. This section covers approximately 8 km (5 miles) and involves a steady climb. The elevation gain here is around 300 meters (1000 feet), so be prepared for a workout. Echo Lake is a stunning alpine lake surrounded by rugged terrain, making it a great spot for lunch or a longer rest.

### Echo Lake to Noble Knob From Echo Lake, the trail ascends further towards Noble Knob, covering another 10 km (6 miles) with an elevation gain of about 600 meters (2000 feet). This part of the trail is more strenuous, but the panoramic views from Noble Knob are well worth the effort. On clear days, you can see Mount Rainier and other peaks in the Cascade Range. The area around Noble Knob is also known for its vibrant wildflower displays in late spring and early summer.

### Noble Knob to Trailhead The final leg of the loop takes you back to the trailhead, covering approximately 20 km (12 miles) with a descent of around 1000 meters (3200 feet). This section is less demanding but still requires careful navigation, especially in wet conditions. The descent offers beautiful views of the surrounding valleys and forests, making for a scenic end to your hike.

### Historical Significance The region around the Greenwater Lakes, Echo Lake, and Noble Knob has a rich history. It was traditionally used by Native American tribes for hunting and gathering. In the early 20th century, the area saw logging activities, remnants of which can still be seen along the trail. The trail itself has been maintained by various hiking clubs and conservation groups, ensuring its preservation for future generations.

### Navigation and Safety For navigation, it is highly recommended to use the HiiKER app, which provides detailed maps and real-time updates. The trail is well-marked, but having a reliable navigation tool is essential, especially in areas with limited cell service. Always carry sufficient water, snacks, and appropriate clothing for changing weather conditions. Wildlife is abundant, so be mindful of your surroundings and follow Leave No Trace principles to preserve the natural beauty of the area.