Trillium and Siler's Mill Trail Loop

The trail is enjoyable year-round, but spring is particularly special due to the appearance of trillium flowers, which give the Trillium Trail its name. The lush forest is beautiful in all seasons, though winter conditions might bring mud or occasional ice.

Parking is available at the Redmond Watershed Preserve. Even when the main parking lot is full, the Siler's Mill Trail is noted for being relatively quiet, suggesting ample access to the preserve.

The provided information does not explicitly state dog regulations for this specific loop. However, trails within the Redmond Watershed Preserve generally allow dogs on leash. It's always best to check the official Redmond Watershed Preserve website for current pet policies.

The Redmond Watershed Preserve, where this loop is located, typically does not require permits or charge entrance fees for day use. For the most up-to-date information, you can check the official redmond.gov website.

The terrain is varied. The Trillium Trail can be rough, rocky, and has numerous roots. In contrast, other connecting trails like the Pipeline Regional Trail offer smoother surfaces, consisting of small gravel or hardpack. The Siler's Mill Trail involves climbing up, over, and back down a hill.

You'll be immersed in a beautiful second-growth forest with Douglas firs, cedars, cottonwoods, and maples, often covered in moss. The forest floor is abundant with sword ferns. Keep an eye out for the 'Old Pond' along the Trillium Trail, featuring lily pads and cattails, and in spring, the namesake trillium flowers. You might also encounter a glacial erratic on the Siler's Mill Trail.

This loop is generally considered moderate, making it suitable for regular hikers. While some sections are rough, it's not overly strenuous. For families with very young children or those seeking a fully accessible option, the preserve also offers the barrier-free, paved Treefrog Loop Trail.

The preserve is home to various wildlife. Hikers might spot deer, and the sounds of chirping birds and croaking frogs are common. There have even been anecdotes of owls in the area.

Yes, the route incorporates sections of several trails within the preserve. Notably, it uses the Trillium Trail and the Siler's Mill Trail, and also passes through parts of the Pipeline Regional Trail and the PSE Trail.

The loop takes you through the beautiful Redmond Watershed Preserve, offering lush forest views. You'll also pass by Seidel Creek Pond, a serene spot to observe pond life. The appearance of trillium flowers in spring is a significant natural highlight.

The Trillium Trail is open to both equestrians and hikers. The Siler's Mill Trail, however, is designated for hikers only and features gates. Other trails within the preserve, such as the Pipeline Regional Trail, are multi-use, allowing for hiking, horseback riding, and bicycling.