Thompson Lake via Granite Creek Trail

Starting your adventure near King County, Washington, the Thompson Lake via Granite Creek Trail is an 18 km (11.2 miles) out-and-back journey with an elevation gain of approximately 1300 meters (4265 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 transportation. If driving, head towards the Granite Creek Connector Trailhead, located near the Middle Fork Snoqualmie River Road. For those using public transport, the nearest significant landmark is the North Bend Park & Ride. From there, you can arrange a taxi or rideshare to the trailhead.

Trail Overview

The trail begins with a gentle ascent through dense forest, offering a serene start to your hike. As you progress, the path becomes steeper, with switchbacks that provide a good workout. The first 3 km (1.9 miles) will see you gaining around 300 meters (984 feet) in elevation, setting the tone for the rest of the hike.

Key Landmarks and Sections

• Granite Creek Crossing (4 km / 2.5 miles): At this point, you'll cross Granite Creek via a sturdy bridge. The sound of rushing water and the lush surroundings make this a picturesque spot for a short break.
• Granite Lakes Junction (6 km / 3.7 miles): Here, the trail splits. Stay on the path leading to Thompson Lake. This junction is well-marked, but it's always a good idea to have your HiiKER app handy for navigation.
• Alpine Meadows (8 km / 5 miles): As you approach the halfway mark, the forest opens up into beautiful alpine meadows. During late spring and summer, these meadows are blanketed with wildflowers, offering a vibrant display of colors.

Wildlife and Nature

The trail is home to a variety of wildlife, including deer, black bears, and numerous bird species. Keep an eye out for the distinctive call of the Pacific Wren and the sight of mountain goats on higher elevations. Always practice safe wildlife viewing by keeping a respectful distance and storing food properly.

Historical Significance

The region around Granite Creek has a rich history, with remnants of old logging operations visible along the trail. These historical markers offer a glimpse into the area's past, where logging was a significant industry. The trail itself was used by early settlers and loggers, adding a layer of historical intrigue to your hike.

Final Ascent to Thompson Lake

The final 2 km (1.2 miles) to Thompson Lake are the most challenging, with a steep ascent that will test your endurance. However, the effort is well worth it. Upon reaching Thompson Lake, you'll be greeted by crystal-clear waters surrounded by rugged peaks. This is an excellent spot for a well-deserved rest, a picnic, or even a refreshing dip if you're brave enough to face the cold mountain water.

Return Journey

The return journey follows the same path, allowing you to enjoy the scenic views from a different perspective. Make sure to pace yourself, as the descent can be tough on the knees.

Preparation Tips

• Footwear: Sturdy hiking boots with good ankle support are recommended due to the rocky and uneven terrain.
• Weather: Weather can change rapidly in the mountains, so bring layers and be prepared for rain.
• Navigation: Use the HiiKER app to stay on track and check for any trail updates or conditions.
• Water: Carry enough water for the entire hike, as there are limited reliable water sources along the trail.

This trail offers a rewarding experience with its mix of challenging ascents, historical significance, and stunning natural beauty.