Pinnacle Peak Park via Cal Magnusson Trail

The hike along the Cal Magnusson Trail to Pinnacle Peak and back usually takes around 1 hour and 50 minutes. This accounts for the approximately 4.5 km (2.8 miles) round trip with a significant elevation gain.

The Cal Magnusson Trail is considered a moderate hike, known for its challenging and rewarding experience. You'll encounter a steep, forested incline, gaining about 300 meters (1,000 feet) in elevation over roughly one mile. The path features switchbacks, and some sections can be muddy, with concrete steps aiding the steepest parts. Near the summit, you'll see impressive columnar basalt formations, showcasing the peak's volcanic origin.

Yes, dogs are generally allowed on the Cal Magnusson Trail. However, it's always best to keep them on a leash and ensure you follow all park regulations regarding pets to protect wildlife and other hikers.

Spring and summer are excellent times to hike the Cal Magnusson Trail, as you can enjoy the lush forest and spot wildflowers like trilliums and bleeding hearts. The dense tree cover provides shade, making it pleasant even on warmer days. Clear days offer the best chance for views of Mount Rainier from the viewpoint.

Pinnacle Peak Park is managed by King County Parks. Generally, there are no entrance fees or permits required for day-use hiking on the Cal Magnusson Trail. However, it's always a good idea to check the official King County Parks website for any updated regulations or advisories before your visit.

Parking for the Cal Magnusson Trail is available at Pinnacle Peak Park, located near Enumclaw, Washington. The trailhead is easily accessible from the main parking area. Due to its popularity, especially among locals, arriving earlier in the day is recommended to secure a spot.

While the immediate summit is tree-covered, limiting panoramic views from the very top, there are occasional breaks in the trees offering glimpses of farmland below. A notable pocket viewpoint just below the summit provides stunning views of Mount Rainier on clear days, and you might even spot the Seattle city skyline to the north. The trail also leads to the Pinnacle Peak summit itself, where you can find remnants of an old fire lookout tower.

The trail winds through a dense forest of Douglas firs, western hemlocks, and red cedars. In spring and summer, you'll see various wildflowers. Keep an eye out for black-tailed deer and a variety of bird species. Occasionally, hikers might spot black bears or bobcats, so it's wise to be aware of your surroundings.

The primary Cal Magnusson Trail is an out-and-back route, leading you to the summit of Pinnacle Peak and then returning the same way. While there are other trails in the park, the Cal Magnusson Trail itself is not a loop.

Yes, the route you'll be following on the Cal Magnusson Trail also passes through sections of the Southern Trail, the Peak Trail, and the Goat Trail, offering opportunities to explore different parts of Pinnacle Peak Park.

For the best chance of clear views of Mount Rainier, aim to hike on a clear day and make sure to stop at the small pocket viewpoint just below the summit. Many hikers miss this spot, but it offers the most rewarding vistas. Also, due to the trail's popularity, an early start can help you avoid crowds and secure better parking.