4.8
(8010)
9,936
hikers
03:22
10.8km
430m
Hiking
Embark on the South Tiger Mountain Loop, a moderate hike spanning 6.7 miles (10.8 km) with a total elevation gain of 1399 feet (426 metres). You can expect to complete this route in about 3 hours and 21 minutes. As you hike, you will move through diverse forest environments, including…
Last updated: April 23, 2026
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Parking
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5.37 km
Highlight • Forest
Tip by
6.59 km
Highlight (Segment) • Trail
Tip by
10.8 km
End point
Parking
Way Types & Surfaces
Way Types
7.30 km
3.26 km
194 m
Surfaces
8.15 km
2.40 km
194 m
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This route was planned by komoot.
The South Tiger Mountain Loop is a great option for year-round hiking, even when other trails might be impacted by adverse weather. In early spring, you might even spot trilliums along the path.
The trail offers diverse terrain, ranging from sections following old railroad grades to narrower paths traversing steep hillsides. You'll encounter short, steep climbs and a mix of forest environments. During wet conditions, parts of the trail can become very saturated, and you might need to navigate around downed trees or challenging stream crossings.
While the true summit of South Tiger Mountain is forested, you can find scenic vistas of Mount Rainier, the Olympic Mountains, and the valley below in clearcut areas or near powerline sections. A unique feature mentioned by hikers is an old logging stump with a 'face' carved into it. You'll also pass through the beautiful South Tiger Mountain Forest.
Yes, the route is part of the extensive Tiger Mountain Trail system and intersects with several other paths. You'll find yourself on sections of the Tiger Mountain Trail, South Tiger Mountain Traverse Trail, South Tiger Summit Trail, and South Tiger Powerline Trail.
Yes, the South Tiger Mountain Loop is generally considered dog-friendly. Always ensure your dog is on a leash and that you pack out any waste to keep the trail enjoyable for everyone.
Specific permits or entrance fees for hiking the South Tiger Mountain Loop within the Tiger Mountain State Forest are typically not required for day use. However, it's always a good idea to check the latest regulations from the Washington State Department of Natural Resources (DNR) before your visit, especially if you plan to park at certain trailheads.
Parking information for the South Tiger Mountain Loop is usually available at various trailheads around the Tiger Mountain State Forest near Issaquah, Washington. Specific parking areas can vary, so it's recommended to check a detailed map or recent trail reports for the most current access points.
Due to numerous intersections with other trails in the Tiger Mountain system, having a map or GPS device is essential for navigation. While some sections are well-maintained, the final fraction of a mile to the true South Tiger Mountain summit might require a short bushwhack as there isn't always a clearly marked trail all the way to the top.
As the trail winds through the South Tiger Mountain Forest, you might encounter common Pacific Northwest forest wildlife such as various bird species, squirrels, and possibly deer. Keep an eye out for local flora like trilliums in the spring.
The South Tiger Mountain Loop is rated as moderate. While it includes some easier sections along old railroad grades, it also features narrower paths, steep hillsides, and short climbs. It can be a good training ground for those looking to build endurance for more challenging hikes, but beginners should be prepared for varied terrain and potential wet conditions.
The South Tiger Mountain Loop is often noted as a less busy trailhead compared to others in the Tiger Mountain area, offering a quieter hiking experience. It's a solid choice for those seeking a moderate, year-round hike with diverse forest scenery and occasional views, without the crowds found on some more popular regional trails.