Mount Si Trail In Washington

Here is everything you need to know about the Mount Si Trail:

  • Trail System: National Recreation Trail
  • State: Washington
  • Length: 4 miles.
  • Type: Hiking.
  • Surface: Dirt
  • Managed By: Washington State Parks and Recreation Commission
  • Permit Required?: Yes
  • Website:

The Mount Si Trail, located in the state of Washington, has a rich historical background that dates back centuries. The trail is situated in the Cascade Range and has been an important route for various indigenous communities and early settlers. Native American tribes, such as the Snoqualmie and Snohomish, have long used the area for hunting, gathering, and trading.

During the late 19th century, European settlers began to explore and settle in the region. The Mount Si Trail became a crucial transportation route for miners and loggers, as it provided access to the abundant natural resources in the area. The trail was used to transport timber, minerals, and other goods from the mountains to nearby towns and cities.

In the early 20th century, the Mount Si Trail gained popularity among outdoor enthusiasts and hikers. The trail’s proximity to Seattle, combined with its stunning natural beauty, attracted many visitors. The trail was officially established and maintained by the Washington State Parks and Recreation Commission in the 1930s, ensuring its preservation and accessibility for future generations.

Today, the Mount Si Trail continues to be a beloved destination for hikers and nature enthusiasts. Its historical significance, coupled with its challenging yet rewarding terrain, makes it a popular choice for those seeking adventure and a connection to the past. The trail serves as a reminder of the rich history and natural heritage of the region, offering visitors a glimpse into the footsteps of those who came before them.

While On The Trail

Access Points

1. Little Si Trailhead: This is a popular starting point for hikers looking to explore the Mount Si area. It is located on SE Mount Si Road, just off Interstate 90.

2. Mount Si Trailhead: This is the main access point for the Mount Si Trail. It is located on SE Mount Si Road, a short distance from the Little Si Trailhead.

3. Teneriffe Falls Trailhead: This trailhead provides access to the Teneriffe Falls Trail, which connects to the Mount Si Trail. It is located on SE Mount Si Road, a few miles east of the Mount Si Trailhead.

4. Boulder Garden Loop Trailhead: This trailhead is located on SE Mount Si Road, near the Mount Si Golf Course. It provides access to the Boulder Garden Loop Trail, which intersects with the Mount Si Trail.

5. Haystack Basin Trailhead: This trailhead is located on SE Mount Si Road, a short distance from the Mount Si Trailhead. It provides access to the Haystack Basin Trail, which offers an alternative route to the summit of Mount Si.

6. Old Si Trailhead: This trailhead is located on SE Mount Si Road, just west of the Mount Si Trailhead. It provides access to the Old Si Trail, which is a less crowded alternative to the main Mount Si Trail.

7. Talus Loop Trailhead: This trailhead is located on SE Mount Si Road, near the Mount Si Golf Course. It provides access to the Talus Loop Trail, which connects to the Mount Si Trail.

These are some of the major access points or trailheads along the Mount Si Trail. There may be additional smaller access points or trailheads in the surrounding area.

Transportation Available

1. Mount Si Shuttle – Shuttle service providing transportation to and from the Mount Si Trailhead.
2. Uber – On-demand ride-hailing service available in the area.
3. Lyft – Ride-sharing service offering convenient transportation options near the Mount Si Trail.
4. Taxi Services – Local taxi companies providing transportation services in the vicinity of the Mount Si Trail.
5. Rental Cars – Various car rental agencies offering vehicles for self-drive transportation near the Mount Si Trail.
6. Public Bus – Local bus service with routes passing by or near the Mount Si Trailhead.
7. Bike Rentals – Bicycle rental shops providing an alternative mode of transportation for exploring the Mount Si Trail area.


The amenities available at the Mount Si Trail include:

1. Restrooms: There are restroom facilities available at the trailhead parking lot.

2. Parking: There is a parking lot at the trailhead where visitors can park their vehicles.

3. Camping sites: Camping is not allowed on the Mount Si Trail itself, but there are nearby campgrounds available for overnight stays. Some popular campgrounds in the area include Tinkham Campground and Denny Creek Campground.

4. Picnic areas: There are picnic tables and designated picnic areas available at the trailhead where visitors can enjoy a meal or snack before or after their hike.

5. Water: There are water fountains available at the trailhead for visitors to fill their water bottles.

6. Information boards: There are information boards at the trailhead that provide details about the trail, safety guidelines, and any current updates or closures.

7. Trail markers: The Mount Si Trail is well-marked with trail signs and markers to help hikers navigate the trail.

8. Benches: There are benches along the trail where hikers can take a break and enjoy the surrounding views.

9. Trash bins: There are trash bins available at the trailhead and along the trail for visitors to dispose of their waste properly.

10. Interpretive signs: There are interpretive signs along the trail that provide information about the natural and cultural history of the area.

Please note that amenities may be subject to change or availability, so it’s always a good idea to check with local authorities or visitor centers for the most up-to-date information before your visit.

Nearby Services

1. Salish Lodge & Spa – Luxury lodging with stunning views of the Snoqualmie Falls.
2. North Bend Motel – Budget-friendly accommodation near the Mount Si Trailhead.
3. Aardvark Express – Casual eatery offering a variety of sandwiches and burgers.
4. Twede’s Cafe – Iconic diner known for its cherry pie and hearty American fare.
5. North Bend Bar & Grill – Local favorite serving classic pub food and drinks.
6. Mount Si Chevron – Gas station and convenience store with basic emergency supplies.
7. Snoqualmie Valley Hospital – Nearby medical facility providing emergency services.

Mount Si Trail Difficulty Notes

The Mount Si Trail is known for its challenging difficulty level, making it a popular choice for experienced hikers seeking a strenuous adventure. The trail spans approximately 8 miles round trip and features a steep elevation gain of around 3,150 feet. Hikers will encounter rocky terrain, switchbacks, and sections with loose gravel, requiring careful footing and endurance. The final stretch, known as the “Haystack,” involves scrambling up a steep and exposed rock face, adding an extra level of difficulty. Despite its challenges, the trail rewards hikers with breathtaking views of the surrounding Cascade Mountains and a sense of accomplishment upon reaching the summit.

Features And Attractions

Along the Mount Si Trail, you can find several scenic views, historical sites, natural landmarks, and more. Here are some notable ones:

1. Mount Si Summit: The trail leads to the summit of Mount Si, which offers breathtaking panoramic views of the surrounding Cascade Mountains, including Mount Rainier, Mount Baker, and the Snoqualmie Valley.

2. Haystack Rock: A prominent rock formation located near the summit of Mount Si, resembling a haystack. It provides a unique and picturesque view.

3. Boulder Garden: A section of the trail where large boulders are scattered, creating an interesting and challenging terrain for hikers.

4. Talus Field: A rocky area with loose rocks and scree slopes, adding an adventurous element to the trail.

5. Old Railroad Grade: Along the trail, you can find remnants of an old railroad grade that was used for logging operations in the early 1900s.

6. Ancient Forest: The trail passes through a beautiful old-growth forest, with towering trees, moss-covered logs, and a serene atmosphere.

7. Snag Flats: A relatively flat section of the trail with open meadows and wildflowers, providing a pleasant respite for hikers.

8. Mount Si Natural Area Preserve: The trail is located within this preserve, which is home to a diverse range of plant and animal species, including rare and endangered ones.

9. Rock Climbing Routes: Mount Si is a popular destination for rock climbers, and you may encounter climbers scaling the cliffs along the trail.

10. Wildlife: Keep an eye out for wildlife sightings, including deer, squirrels, birds, and occasionally, black bears.

These are just a few highlights along the Mount Si Trail, and there may be additional points of interest depending on the specific route and season.

Usage Guidelines

1. Pets are allowed on the Mount Si Trail but must be kept on a leash at all times.
2. Camping and campfires are not permitted along the trail or at the summit.
3. The trail is open year-round, but hikers should be prepared for changing weather conditions and potential snow during winter months.
4. Leave No Trace principles should be followed, including packing out all trash and waste.
5. Overnight stays or camping are not allowed on the trail or at the summit.
6. Hikers should stay on designated trails and avoid creating new paths or shortcuts.
7. Hunting or trapping is not permitted on the Mount Si Trail.
8. Bicycles and motorized vehicles are not allowed on the trail.
9. Hikers should yield to uphill traffic and step aside to allow faster hikers to pass.
10. Permits are not required for day hiking on the Mount Si Trail.

Seasonal Information

The Mount Si Trail, located in Washington state, offers breathtaking views and a challenging hike for outdoor enthusiasts. The best times of the year to visit the trail are during the spring and fall seasons. In spring, the trail is adorned with vibrant wildflowers, creating a picturesque landscape. The weather is generally mild, making it an ideal time for hiking. Fall, on the other hand, offers stunning foliage as the leaves change colors, providing a scenic backdrop for hikers. The temperatures are cooler, making it a pleasant time to explore the trail.

It is important to note that the Mount Si Trail has seasonal closures during the winter months. The trail is often covered in snow and ice, making it dangerous and difficult to navigate. The closures typically occur from November to April, depending on weather conditions. During this time, it is advised to avoid hiking the trail to ensure your safety. However, if you are an experienced winter hiker, it is possible to explore the trail with proper equipment and precautions.

When planning a visit to the Mount Si Trail, it is recommended to check the trail conditions and closures beforehand. The Washington Trails Association website provides up-to-date information on trail conditions, closures, and any necessary permits. It is also advisable to bring appropriate gear, such as sturdy hiking boots, layers of clothing, and plenty of water. Additionally, it is important to be mindful of the trail’s popularity, especially during peak seasons, as it can get crowded. Starting early in the day or visiting on weekdays can help avoid the crowds and provide a more enjoyable hiking experience.


1. Accessible Parking: Designated parking spaces are available near the trailhead for individuals with disabilities.
2. Accessible Restrooms: Wheelchair-accessible restrooms are provided at the trailhead.
3. Paved Pathways: The trailhead features paved pathways to facilitate wheelchair access.
4. Trailhead Signage: Clear and visible signage is in place to guide individuals with disabilities to the trailhead.
5. Accessible Picnic Areas: Picnic areas with accessible tables and facilities are available near the trailhead.
6. Accessible Information: Information boards and brochures with accessible formats (e.g., braille, large print) are provided.
7. Trail Surface: The trail is generally well-maintained and suitable for wheelchair users, with a compacted gravel surface.
8. Rest Areas: Rest areas with benches are strategically placed along the trail for individuals to take breaks.
9. Accessible Viewing Points: Scenic viewpoints along the trail are designed to be accessible for wheelchair users.
10. Assistance Animals: Service animals are permitted on the trail to assist individuals with disabilities.
11. Accessible Water Stations: Accessible water stations are available at the trailhead and other designated areas.
12. Emergency Assistance: The trail is equipped with emergency call boxes or other means of communication for assistance if needed.
13. Accessible Shuttle Service: A shuttle service may be available to transport individuals with disabilities from the trailhead to specific trail sections.
14. Trail Maps: Accessible trail maps are provided, indicating the level of accessibility and potential barriers.
15. Accessible Lodging: Nearby lodging options may offer accessible rooms and facilities for individuals with disabilities.
16. Accessible Transportation: Public transportation options may be available with wheelchair accessibility to reach the trailhead.
17. Accessible Interpretive Programs: Interpretive programs or guided tours may be offered with accessibility accommodations for individuals with disabilities.
18. Accessible Trail Events: Special events or activities on the trail may include accessibility features for participants with disabilities.
19. Accessibility Guidelines: The Mount Si Trail adheres to ADA guidelines to ensure accessibility for individuals with disabilities.
20. Accessibility Feedback: Visitors are encouraged to provide feedback on accessibility issues to improve accommodations on the Mount Si Trail.

Safety Information

1. Prepare for changing weather conditions: The trail is known for unpredictable weather, so bring appropriate clothing and gear for rain, wind, and cold temperatures.
2. Carry plenty of water: It is essential to stay hydrated during the hike, so bring enough water to last the entire trip.
3. Wear sturdy footwear: The trail can be steep and rocky, so wear proper hiking boots or shoes with good traction.
4. Use trekking poles: Trekking poles can provide stability and reduce strain on your knees during the steep sections of the trail.
5. Stay on the designated trail: Straying off the trail can be dangerous and harmful to the environment, so always follow the marked path.
6. Be cautious of slippery sections: Some parts of the trail can be slippery, especially during or after rain, so proceed with caution.
7. Watch out for wildlife: Mount Si is home to various wildlife, including bears and cougars, so be aware of your surroundings and follow proper wildlife safety guidelines.
8. Hike with a buddy: It’s recommended to hike with a partner for safety, especially in case of emergencies or accidents.
9. Pace yourself: The trail is challenging, so take breaks and hike at a comfortable pace to avoid exhaustion or injuries.
10. Carry a map and compass: Familiarize yourself with the trail map and bring a compass to navigate in case of getting lost.
11. Inform someone of your plans: Let someone know about your hiking plans, including your expected return time, in case of any emergencies.
12. Be mindful of your physical condition: If you have any health concerns or physical limitations, consult with a doctor before attempting the hike.
13. Leave no trace: Respect the environment by packing out all trash and minimizing your impact on the trail and surrounding nature.
14. Check trail conditions and closures: Before heading out, check for any trail closures or advisories to ensure a safe and enjoyable hike.
15. Stay updated on avalanche risks: During winter months, be aware of avalanche risks and check for current avalanche conditions before attempting the trail.

Conservation Notes

The Mount Si Trail, located in Washington State, is a popular hiking destination that offers stunning views of the surrounding landscape. In terms of conservation status, the trail is managed by the Washington State Department of Natural Resources (DNR) and falls within the Mount Si Natural Resources Conservation Area (NRCA). This designation signifies the importance of preserving the natural and cultural resources found within the area.

Efforts to conserve the Mount Si Trail and its surrounding ecosystem are focused on maintaining the delicate balance between recreational use and environmental protection. The DNR has implemented various measures to minimize the impact of human activity on the trail and its surroundings. These include regular trail maintenance to prevent erosion, the installation of signage to educate hikers about the importance of Leave No Trace principles, and the enforcement of regulations to protect sensitive habitats and wildlife.

The conservation status of the Mount Si Trail is also influenced by the presence of endangered and threatened species in the area. The Northern Spotted Owl, a federally listed threatened species, is known to inhabit the forests surrounding the trail. As a result, the DNR has implemented specific guidelines to protect the owl’s habitat and minimize disturbances. Additionally, the Mount Si NRCA is home to a diverse range of plant species, some of which are considered rare or sensitive. Conservation efforts aim to safeguard these unique plant communities and ensure their long-term survival.

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