Best attractions and places to see in Olallie State Park are situated on the western slopes of the Cascade Mountains, spanning 3.5 miles along the South Fork of the Snoqualmie River. The park features five notable waterfalls, including the 135-foot Twin Falls, and extensive old-growth forests with trees over 10 feet in diameter. It also contains historical points like the Old Snoqualmie Wagon Road and offers access to the Palouse to Cascades State Park Trail. The park's name, "Olallie," reflects…
Last updated: April 23, 2026
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This smaller lake offers a delightful view of the water, framed by pine trees and set against the backdrop of mountains. The most captivating views can be enjoyed at this specific point, making it an excellent spot to take a break and appreciate the surroundings.
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Change Peak provides amazing views of Mt. Defiance and Bandera. This peak is a lesser visited trail than its surrounding peaks, so provides a little more solitude.
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Stop a moment to enjoy the cascading waters of Lower Twin Falls. This makes a lovely stopping point on its own, but you can continue hiking to another viewpoint overlooking Upper Twin Falls.
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It's worth continuing to Upper Twin Falls, which gives you beautiful, unobstructed views of the cascading water. Although the trail does continue onward from here it departs the water and is more exposed to the road. So for many hikers, this is the logical turnaround point.
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Great Out-and-Back trail with stunning views. Also perfect for beginners as you can turn around whenever you like.
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Your short, steep ascent is complimented by narrow views out of the trees towards the Snoqualmie Middle Fork and Mt. Si.
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Olallie State Park is renowned for its stunning natural beauty, particularly its waterfalls and old-growth forests. You can discover five notable cascades, including the impressive 135-foot Twin Falls and the 77-foot Weeks Falls. The park also features lush old-growth forests with trees over 10 feet in diameter, the scenic South Fork Snoqualmie River, and interesting cliff formations. For specific viewpoints, consider visiting Cedar Butte peak or Change Peak for rewarding vistas.
Yes, Olallie State Park offers several family-friendly options. The Olallie Trail is suitable for families, providing an out-and-back route with views accessible for various skill levels. Christmas Lake is another great spot for a family break, offering a delightful view of the water framed by pine trees. Additionally, the park has several picnic areas, including the South Fork Picnic Area, equipped with tables and grills.
The park holds significant historical and cultural value. You can explore the Old Snoqualmie Wagon Road, established in 1867, which traverses a picnic area and features interpretive signs. Fans of the TV series 'Twin Peaks' might recognize several filming locations within the park, particularly near the South Fork Picnic Area. The park's name, 'Olallie,' is derived from a Chinook Jargon word for 'berry,' reflecting the rich Indigenous heritage and the abundance of huckleberries and salmonberries historically gathered by local Coast Salish tribes.
Among the most popular hiking trails is the Twin Falls Trail, a 2.5-mile round trip leading to the iconic Twin Falls. Other trails lead to Cedar Butte peak and Dirty Harry's Peak. The park offers about 6 miles of moderate hiking trails in total. For more options, you can explore various routes in the Easy hikes in Olallie State Park guide.
Beyond hiking, Olallie State Park provides a range of outdoor activities. Mountain biking is popular on the 9.2-mile Olallie Trail, which also connects to the Palouse to Cascades State Park Trail. Rock climbing is available at six distinct areas like Deception Crags. Anglers can enjoy fishing along the South Fork of the Snoqualmie River, and kayaking is permitted downstream from Twin Falls. Wildlife viewing, bird watching, and geocaching are also popular pastimes.
Yes, a Discover Pass is required for day visits to Olallie State Park. This pass supports the maintenance and operation of Washington State Parks.
While the park is accessible year-round, the best time to visit Olallie State Park for hiking and enjoying the waterfalls is typically during the spring, summer, and early fall months (April to October). During these periods, the weather is generally milder, and trails are more accessible. Spring offers vibrant greenery and powerful waterfalls from snowmelt, while summer and fall provide pleasant temperatures for outdoor activities and beautiful foliage.
Yes, Olallie State Park offers excellent cycling opportunities. The 9.2-mile Olallie Trail is suitable for backcountry mountain biking and connects to the Palouse to Cascades State Park Trail, which is also open to cyclists. For more detailed routes, you can check out the Gravel biking in Olallie State Park and Road Cycling Routes in Olallie State Park guides.
Olallie State Park's diverse ecosystem supports various wildlife. Visitors often spot deer, and the park is a great location for bird watching, with numerous species inhabiting the old-growth forests and river areas. Keep an eye out for smaller mammals and amphibians as well, especially near water sources.
Yes, Olallie State Park is a popular destination for rock climbing. It features six distinct climbing areas, such as Deception Crags and Far Side Crags. These areas offer a variety of routes, catering to climbers of different skill levels, with difficulties ranging from 5.5 to 5.13b.
The Palouse to Cascades State Park Trail, formerly known as the Iron Horse State Park Trail, is an extensive rail-to-trail conversion. Olallie State Park provides direct access to this trail, making it a convenient entry point for hikers and cyclists looking to explore longer distances on this historic route.


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