Upper Wheeler Reservoir

Parking for the Upper Wheeler Reservoir trail is available at Squilchuck State Park. A Discover Pass is required for parking here. The park serves as a hub, connecting to the trail and other routes in the Stemilt Basin.

Yes, a Discover Pass is required for parking at Squilchuck State Park, which is where the Upper Wheeler Reservoir trail begins. This pass covers your entrance and parking fees.

While the provided information does not explicitly state dog-friendliness for this specific trail, Squilchuck State Park generally allows dogs on trails, typically requiring them to be on a leash. It's always best to check the latest park regulations before your visit.

Spring and summer are excellent times to hike this trail, as you'll find wildflowers like lupines and Indian paintbrush in bloom. The park's higher elevation also makes it a potentially cooler and fresher escape during hot or smoky periods in the lower Columbia River Valley. Be aware that the reservoir's water levels can be significantly reduced by fall due to irrigation use.

The terrain is varied and considered moderately difficult. The initial section meanders through a dense forest, offering a cool, shaded start. As you progress, the trail becomes steeper, with a significant climb in the first few miles. The park features forested hillsides of ponderosa pine and fir, interspersed with meadows and rock outcrops.

You'll encounter beautiful trees and foliage, including towering Douglas firs, western hemlocks, and ponderosa pines. There's a significant highlight around the 3.1-mile mark: a scenic overlook providing breathtaking views of the surrounding valleys and mountains. Trails within Squilchuck State Park also offer northward views over the Columbia River watershed. The Upper Wheeler Reservoir itself can be a pretty sight, especially when full in the spring.

The Upper Wheeler Reservoir trail is an out-and-back route. You will return along the same path you took to reach the reservoir.

Yes, the route to Upper Wheeler Reservoir passes through sections of several other official trails within Squilchuck State Park, including Dark Forest, Yellow Jacket, Tiger Lily, Creature Comfort, Turns, and Bent Femur. The park is a multi-use area, connecting to other dirt roads and trails in the Stemilt Basin.

Beyond the Upper Wheeler Reservoir itself, a key highlight is a scenic overlook approximately 3.1 miles into the hike, offering expansive views. The trail also provides unique views of the surrounding hills not typically seen from more enclosed park trails. The entire network of Squilchuck State Park Trails is a point of interest, known for its varied terrain and connection to other outdoor areas.

The trail is considered of moderate difficulty due to its length and significant elevation gain, particularly in the first few miles. While it offers beautiful scenery, the steeper sections might be challenging for very young children or absolute beginners. Families with some hiking experience should find it rewarding.

Squilchuck State Park is a multi-use area that is popular for snowshoeing and cross-country skiing in winter. While the trail itself might be accessible, winter conditions will add to the difficulty and require appropriate gear and experience. Always check local conditions before attempting a winter hike.