Red Mountain via Old Commonwealth Trail

The trail typically starts from the Commonwealth Basin Trailhead near Snoqualmie Pass. Parking is available at the trailhead, but it can fill up quickly, especially on weekends during peak season. Arriving early is recommended.

Yes, as this trail is located within the Mount Baker-Snoqualmie National Forest, a Northwest Forest Pass or an America the Beautiful Pass is required for parking at the trailhead. You can purchase these passes online or at various vendor locations.

No, this is considered a difficult hike and is not recommended for beginners. The final mile to the summit involves very steep, technical terrain with significant scrambling over loose rock and exposure, requiring good physical fitness and comfort with heights.

The initial section of the Old Commonwealth Trail is relatively flat but can be overgrown. It soon merges with the Commonwealth Basin Trail, featuring stream crossings and switchbacks. The last mile to the Red Mountain Summit is very challenging, characterized by steep, technical, and rocky terrain with significant scrambling over loose scree and 'chossy' (loose, broken rock) sections.

The best time to hike is typically from late spring to early fall, usually July through September, when the snow has melted and the weather is more stable. Wildflowers are vibrant in season, and fall foliage adds to the beauty. Winter hiking is possible but requires advanced mountaineering skills and equipment due to snow and avalanche risk.

Hikers can expect great views throughout, becoming particularly spectacular past Red Pond and from the Red Mountain Summit. You'll see expansive vistas of Commonwealth Basin, Snoqualmie Pass, Guye Peak, and sometimes even a faint outline of Mount Rainier. The 360-degree panoramic views from the summit are a major highlight.

Yes, dogs are generally allowed on the trail. However, due to the challenging and technical nature of the final ascent, especially the scrambling sections, it may not be suitable for all dogs. Always keep your dog on a leash and be mindful of other hikers and potential wildlife.

Yes, the route utilizes sections of several other trails. You will hike along parts of the Commonwealth Basin Trail, the Old Commonwealth Trail, and sections of the Pacific Crest Trail (PCT - Washington Section I and PCT - Washington Section J).

The Mount Baker-Snoqualmie National Forest is home to various wildlife. Hikers have reported sightings of mountain goats near the summit. You might also encounter deer, marmots, and a variety of bird species. Always observe wildlife from a distance and do not feed them.

The Red Mountain via Old Commonwealth Trail is primarily an out-and-back route to the summit. While there are intersecting trails, the most common and direct way to reach the Red Mountain Summit and return is by retracing your steps.

Given the trail's difficulty and technical sections, essential gear includes sturdy hiking boots with good ankle support, plenty of water, high-energy snacks, navigation tools (map, compass, or GPS), sun protection, and layers of clothing. Due to the loose scree and potential for dislodging rocks, wearing a helmet is strongly suggested for the final ascent.