Tolt Pipeline Trail

Starting near King County, Washington, the Tolt Pipeline Trail is a 7 km (approximately 4.3 miles) loop with an elevation gain of around 300 meters (about 984 feet). This trail offers a moderate challenge, making it suitable for hikers with some experience.

### Getting There To reach the trailhead, you can drive or use public transportation. If driving, head towards the nearest significant landmark, the Tolt Pipeline Bridge, located near Duvall, WA. For those using public transport, King County Metro Transit offers bus services that can get you close to the trailhead. From the bus stop, a short walk will lead you to the start of the trail.

### Trail Overview The Tolt Pipeline Trail is a well-maintained path that follows the route of an underground pipeline. The trail is primarily used for hiking, running, and mountain biking. It is a loop, so you will end up back where you started, making navigation straightforward.

### Key Landmarks and Points of Interest - Tolt Pipeline Bridge: At the beginning of the trail, you will cross the Tolt Pipeline Bridge, which offers stunning views of the Snoqualmie River below. This is a great spot for photos. - Wooded Sections: As you progress, you will enter dense wooded areas filled with Douglas firs and Western red cedars. These sections provide ample shade and a serene atmosphere. - Open Meadows: About halfway through the trail, you will come across open meadows that offer panoramic views of the surrounding hills and valleys. This is an excellent spot for a break and some bird-watching. - Wildlife: Keep an eye out for local wildlife, including deer, rabbits, and various bird species. Early mornings or late afternoons are the best times for wildlife sightings.

### Elevation and Terrain The trail features a steady elevation gain of around 300 meters (984 feet). The initial part of the trail is relatively flat, but as you move deeper into the loop, you will encounter steeper sections. The terrain varies from packed dirt to gravel, with some rocky patches. Good hiking boots are recommended for better traction and support.

### Historical Significance The Tolt Pipeline Trail follows the route of an underground pipeline that has been a crucial part of the region's water supply system for decades. The pipeline was constructed in the mid-20th century to transport water from the Tolt Reservoir to the greater Seattle area. The trail itself was developed later, providing a recreational space for locals and visitors alike.

### Navigation For navigation, it is advisable to use the HiiKER app, which provides detailed maps and real-time updates. The trail is well-marked, but having a reliable navigation tool can enhance your hiking experience and ensure you stay on the right path.

### Preparation Tips - Footwear: Wear sturdy hiking boots with good ankle support. - Water: Carry enough water, especially during warmer months. - Weather: Check the weather forecast before heading out, as conditions can change rapidly. - Wildlife Awareness: Be mindful of wildlife and maintain a safe distance.

By following these guidelines and being well-prepared, you can fully enjoy the natural beauty and historical significance of the Tolt Pipeline Trail.