De Leo Wall and Wildside Loop

This loop is generally considered to be of moderate difficulty, suitable for a range of hikers, including families. While komoot rates it as 'easy', some sections, especially those leading directly to the De Leo Wall viewpoint, can involve steep descents that might be challenging for some.

The terrain is quite varied, winding through dense forests of maple, alder, hemlock, and conifers. You'll encounter wetlands, streamlets, and occasional bogs. While generally well-maintained, some sections can be muddy. The De Leo Wall itself is a notable geological feature—an ancient extrusion of andesitic magma.

Yes, the De Leo Wall and Wildside Loop is dog-friendly. It's a popular spot for dog walkers, so you'll likely see other furry friends enjoying the paths.

The trail is accessible year-round. Spring and summer are particularly beautiful for vibrant ferns and wildflowers. Spring also offers the most impressive views of waterfalls like Coal Creek Falls due to higher water flow. On clear days, you might catch views of Mount Rainier.

No, there are no entrance fees or permits required to access the trails within Cougar Mountain Regional Wildland Park, including the De Leo Wall and Wildside Loop. It's free to enjoy.

A common starting point for this loop is the Red Town Trailhead, which was historically a mining settlement. Parking is available there, providing convenient access to the extensive trail network.

You'll encounter the natural rock formation of the De Leo Wall, which gives the trail its name. The route also features picturesque waterfalls, including the prominent Coal Creek Falls. On clear days, viewpoints can offer expansive vistas of May Valley, Renton, and Mount Rainier. The area also has historical significance as a former coal mining region, with remnants of this past visible along the trails.

Yes, this loop is part of the extensive Cougar Mountain Regional Wildland Park trail network. The route also passes through sections of the Marshall's Hill Trail, De Leo Wall Trail, Wildside Trail, Indian Trail, and Ballybunion Trail. It's a good idea to pick up a map at the trailhead due to the confusing layout of interconnected paths.

The diverse forest ecosystem supports a variety of wildlife. You might spot deer, raccoons, and numerous bird species. The plant life is also rich, with abundant ferns and wildflowers, especially in spring and summer.

Yes, the De Leo Wall and Wildside Loop is generally considered suitable for families with children, given its moderate difficulty. However, be aware that some sections can be muddy, and there are occasional narrow parts with steep drops, so supervision is always recommended.

While there are no facilities directly on the trail, the park is easily accessible from Issaquah and Renton. You'll find various cafes, pubs, and restaurants in these nearby towns for post-hike refreshments.