Mainline Trail and Southern Traverse Trail

Starting near Snohomish County, Washington, the Mainline Trail and Southern Traverse Trail offer a delightful 6 km (approximately 3.7 miles) loop with an elevation gain of around 100 meters (328 feet). This medium-difficulty trail is perfect for those looking to immerse themselves in the natural beauty of the Pacific Northwest.

### Getting There To reach the trailhead, you can drive or use public transportation. If driving, head towards Snohomish County and look for parking near the well-known landmark of Lord Hill Regional Park. For those using public transport, the nearest bus stop is at the intersection of 127th Ave SE and 150th St SE, from where you can walk to the trailhead.

### Trail Overview The trail begins with a gentle ascent through a lush forest of Douglas firs and western red cedars. The initial 1 km (0.6 miles) offers a serene introduction to the trail, with the sound of birdsong and the occasional rustle of small mammals in the underbrush. Keep an eye out for the native black-tailed deer, often seen grazing in the early morning or late afternoon.

### Significant Landmarks At around the 2 km (1.2 miles) mark, you'll encounter a small, picturesque pond. This is a great spot for a short break and some wildlife observation. The pond is home to a variety of amphibians and waterfowl, including mallards and the occasional great blue heron.

Continuing on, the trail gradually ascends to its highest point, offering a modest but rewarding view of the surrounding forest and distant mountains. This section, approximately 3 km (1.8 miles) in, is a great place to take photos and enjoy the tranquility of the area.

### Historical Significance The region around Snohomish County has a rich history, with the trail itself passing through areas once inhabited by the Snohomish people. Artifacts and remnants of their presence can occasionally be found, so tread lightly and respectfully. The trail also intersects with old logging roads, a nod to the area's past in the timber industry.

### Flora and Fauna As you descend, the trail meanders through a mixed forest of alder and maple trees. In the spring and summer, the undergrowth is adorned with wildflowers such as trillium and bleeding heart. The diverse plant life supports a variety of wildlife, including squirrels, raccoons, and a plethora of bird species.

### Navigation and Safety For navigation, it's recommended to use HiiKER, which provides detailed maps and real-time updates. The trail is well-marked, but having a reliable navigation tool ensures you stay on track. Be mindful of the weather, as the trail can become slippery after rain, and always carry sufficient water and snacks.

### Final Stretch The last 1 km (0.6 miles) of the trail loops back towards the starting point, offering a gentle descent through a fern-covered forest floor. This section is particularly beautiful in the fall when the leaves change color, creating a vibrant tapestry of reds, oranges, and yellows.

By the time you complete the loop, you'll have experienced a diverse range of landscapes and ecosystems, making the Mainline Trail and Southern Traverse Trail a rewarding hike for nature enthusiasts and history buffs alike.