- Region
- WA, USA
- Country
- United States
- Best for
- hiking
- Best season
- Spring, Summer
- Permits
- Free Wilderness Permits are available at t…
- Managed by
- U.S. Forest Service, Gifford Pinchot National Forest
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Photos of Tatoosh Wilderness
How to get there
Tatoosh Wilderness lies just north of Packwood, Washington, northwest of US-12, and shares part of Mount Rainier National Park’s southern boundary. Tatoosh North and Tatoosh South trailheads both provide access to Tatoosh Trail #161. Confirm road conditions and trailhead directions with Gifford Pinchot National Forest before departure.
- Tatoosh South Trailhead
Provides access to Tatoosh Trail #161 and the wilderness’s main ridge route. Check the recreation-pass requirement for this trailhead before traveling.
- Tatoosh North Trailhead
Provides access to Tatoosh Trail #161. Use current Forest Service directions and road information when planning the approach.
Sources: fs.usda.gov · University of Montana / federal agency partners · Wilderness Connect / federal wilderness boundary inventory · Wikipedia. Confirm road and trailhead conditions with the managing agency before you leave.
WA, USA · United States
- Hunting
- Climbing
- Mountaineering
- Winter Camping
- Skiing
- Hiking
- Wildlife Viewing
- Backpacking
Ridges, forests, and the Mount Rainier boundary
Tatoosh Wilderness protects 15,720 acres in Washington’s Gifford Pinchot National Forest, just north of Packwood and along part of Mount Rainier National Park’s southern boundary. Tatoosh Ridge runs north–south through the middle of the wilderness, while Backbone Ridge forms another rocky spine on the eastern side. The top of Tatoosh Ridge reaches 6,310 feet and holds the former site of a fire lookout built in 1932. Streams drain toward the Muddy Fork of the Cowlitz River and Butter Creek, eventually joining the Cowlitz River south of the wilderness. Lower forests of hemlock, fir, and red cedar give way to subalpine meadows and small lakes. This is steep ridge country rather than an easy lakeside walking destination. The main hiking appeal is the climb into higher terrain, with views toward Mount Rainier and opportunities to visit the lakes or former lookout site by side trail.
Trail choices and trip preparation
The 8.6-mile Tatoosh Trail is the main route through the wilderness, reached from Tatoosh North or Tatoosh South trailhead. It climbs steeply onto Tatoosh Ridge before easing substantially and descending through subalpine meadows. Side trails lead to Tatoosh Lakes and the historic lookout site. About 25 feet of snow falls on the ridge during winter, so check snow and trail conditions rather than assuming the high country is ready for summer hiking. Summer brings wildflowers to the meadows. Potable water is not available; carry water and a way to treat any collected along the route. Free wilderness permits are available at trailheads, and some trailheads require a valid recreation pass; confirm the requirement for the chosen access point with Gifford Pinchot National Forest. Camping and campfires are prohibited within Tatoosh Lakes Basin. Stock are also prohibited in the basin and on Tatoosh Lakes Trail #161B, which has steep grades and poor trail conditions.
Wildlife and a long history of high-country use
The Tatoosh Range has a long history of use by Taidnapam, or Upper Cowlitz, people. In mid-to-late August, families traveled up the ridge from fishing camps at the confluence of the Muddy Fork and Clear Fork Cowlitz Rivers. They hunted, gathered basket-making materials, and picked huckleberries to dry and carry home for winter food. Archaeological evidence indicates that these high-country trips were a longstanding local tradition. Wildlife also moves between the river valleys and ridges with the seasons. Deer and elk winter along the Muddy Fork and move higher in warmer weather. Black bears forage in the forest, while mountain goats occupy the upper elevations. Give animals room, keep food secured, and avoid approaching wildlife for photographs. Around the small wilderness lakes, keep visits low-impact and plan any overnight stay outside the closed-to-camping Tatoosh Lakes Basin.
Where on earth
Satellite imagery flying in from a world view to Tatoosh Wilderness, United States. Use the + / − buttons, or click the map to zoom with your scroll wheel; drag to pan and pinch to zoom on touch.
Coordinates
- Decimal degrees
- 46.6945, -121.6526
- Latitude (DMS)
- 46° 41′ 40.3″ N
- Longitude (DMS)
- 121° 39′ 9.3″ W
Coordinates are an access-point reference for Tatoosh Wilderness, not a route. Carry a paper map and confirm trailhead or put-in access with the managing agency before you go.
Topic summary
One of five Wilderness areas near Mount Rainier National Park, the Tatoosh Wilderness Area shares a portion of the park's southern boundary. Tatoosh Ridge, a long, formidably rugged ridge, runs north-south...
Key takeaways
- Region: WA, USA
- Country: United States
- Good for: hiking
- Coordinates: 46.695, -121.653
Intended uses
hiking
Keep planning
Popular pursuits at Tatoosh Wilderness
- Hunting
Seasons, tags, and the units that hold animals.
- Climbing
Rock and alpine lines with approach beta.
- Mountaineering
Glacier and high-route objectives with real consequence.
- Winter Camping
Cold-season travel and camp craft; layering matters more than mileage.
- Skiing
Ski-touring access when the road closes for the season.
- Hiking
Day miles on marked trail, with route notes and trail links below.
Animals around Tatoosh Wilderness
Ridges, forests, and the Mount Rainier boundary
Tatoosh Wilderness protects 15,720 acres in Washington’s Gifford Pinchot National Forest, just north of Packwood and along part of Mount Rainier National Park’s southern boundary. Tatoosh Ridge runs north–south through the middle of the wilderness, while Backbone Ridge forms another rocky spine on the eastern side. The top of Tatoosh Ridge reaches 6,310 feet and holds the former site of a fire lookout built in 1932. Streams drain toward the Muddy Fork of the Cowlitz River and Butter Creek, eventually joining the Cowlitz River south of the wilderness. Lower forests of hemlock, fir, and red cedar give way to subalpine meadows and small lakes. This is steep ridge country rather than an easy lakeside walking destination. The main hiking appeal is the climb into higher terrain, with views toward Mount Rainier and opportunities to visit the lakes or former lookout site by side trail.
Trail choices and trip preparation
The 8.6-mile Tatoosh Trail is the main route through the wilderness, reached from Tatoosh North or Tatoosh South trailhead. It climbs steeply onto Tatoosh Ridge before easing substantially and descending through subalpine meadows. Side trails lead to Tatoosh Lakes and the historic lookout site. About 25 feet of snow falls on the ridge during winter, so check snow and trail conditions rather than assuming the high country is ready for summer hiking. Summer brings wildflowers to the meadows. Potable water is not available; carry water and a way to treat any collected along the route. Free wilderness permits are available at trailheads, and some trailheads require a valid recreation pass; confirm the requirement for the chosen access point with Gifford Pinchot National Forest. Camping and campfires are prohibited within Tatoosh Lakes Basin. Stock are also prohibited in the basin and on Tatoosh Lakes Trail #161B, which has steep grades and poor trail conditions.
Wildlife and a long history of high-country use
The Tatoosh Range has a long history of use by Taidnapam, or Upper Cowlitz, people. In mid-to-late August, families traveled up the ridge from fishing camps at the confluence of the Muddy Fork and Clear Fork Cowlitz Rivers. They hunted, gathered basket-making materials, and picked huckleberries to dry and carry home for winter food. Archaeological evidence indicates that these high-country trips were a longstanding local tradition. Wildlife also moves between the river valleys and ridges with the seasons. Deer and elk winter along the Muddy Fork and move higher in warmer weather. Black bears forage in the forest, while mountain goats occupy the upper elevations. Give animals room, keep food secured, and avoid approaching wildlife for photographs. Around the small wilderness lakes, keep visits low-impact and plan any overnight stay outside the closed-to-camping Tatoosh Lakes Basin.
Route options
- Tatoosh Trail #1618.6 milesSteep climb onto the ridge; gentler terrain afterward.
The main wilderness trail climbs steeply onto Tatoosh Ridge, then eases before a long descent through subalpine meadows. Mount Rainier is visible to the north, and side trails lead to the lakes and former lookout site. The stated distance is the trail length, not a specified round-trip outing.
- Tatoosh Lakes Trail #161BSteep grades and poor trail condition.
A side-trail option from the Tatoosh Trail to Tatoosh Lakes. Camping and campfires are prohibited throughout Tatoosh Lakes Basin. Stock are prohibited both on this trail and within the basin.
- Historic Tatoosh Lookout site
Follow a side trail from the Tatoosh Trail to the former fire-lookout site atop Tatoosh Ridge at 6,310 feet. The ridge top offers views in all directions; the destination is a historic site rather than an operating lookout.
- Backbone Lake Trail #164
Another trail within Tatoosh Wilderness. Confirm its route and current conditions with Gifford Pinchot National Forest before incorporating it into a trip.
Sample itineraries
- Tatoosh Ridge and Historic Lookout Day Hike · 1 day
Use Tatoosh North or Tatoosh South to access Trail #161. Plan an out-and-back toward Tatoosh Ridge and the historic lookout side trail, adjusting the turnaround to conditions and fitness. Expect a steep climb, with Mount Rainier views when visibility allows.
- Tatoosh Lakes Day Hike · 1 day
Follow the Tatoosh Trail to the side trail for Tatoosh Lakes, returning to your starting trailhead. Allow time for steep grades and poor trail conditions on Tatoosh Lakes Trail #161B. Visit the basin without camping or fires, and keep off fragile lakeside vegetation.
- Tatoosh Trail Overnight · 2 days
Plan a two-day out-and-back along the Tatoosh Trail for ridge scenery and subalpine meadows. Confirm a legal overnight location outside Tatoosh Lakes Basin before departure. Divide the walking around your campsite and fitness; the stated 8.6-mile trail length is not an out-and-back total.
Seasonal conditions
Spring
Spring; snow-dependent
Heavy winter snowfall makes lingering ridge snow a planning concern. Confirm snow coverage before attempting the steep Tatoosh Trail, and choose a turnaround suited to conditions rather than assuming the high country is accessible.
Summer
Summer months
Subalpine meadows along the Tatoosh Trail contain summer wildflowers. Deer and elk move into higher country in warmer seasons. Check ridge snow and weather before departure; carry water and treatment because potable water is unavailable.
Fall
Fall; weather-dependent
Plan conservatively for changing mountain weather on the rugged ridge. Carry warm layers and waterproof protection, check snow conditions, and leave enough daylight for the steep return.
Winter
Winter
About 25 feet of snow falls on Tatoosh Ridge during winter. Treat ridge travel as a snow-covered mountain outing, not a routine summer hike. Deer and elk winter along the Muddy Fork; avoid disturbing them.
| Season | Window | Conditions |
|---|---|---|
| Spring | Spring; snow-dependent | Heavy winter snowfall makes lingering ridge snow a planning concern. Confirm snow coverage before attempting the steep Tatoosh Trail, and choose a turnaround suited to conditions rather than assuming the high country is accessible. |
| Summer | Summer months | Subalpine meadows along the Tatoosh Trail contain summer wildflowers. Deer and elk move into higher country in warmer seasons. Check ridge snow and weather before departure; carry water and treatment because potable water is unavailable. |
| Fall | Fall; weather-dependent | Plan conservatively for changing mountain weather on the rugged ridge. Carry warm layers and waterproof protection, check snow conditions, and leave enough daylight for the steep return. |
| Winter | Winter | About 25 feet of snow falls on Tatoosh Ridge during winter. Treat ridge travel as a snow-covered mountain outing, not a routine summer hike. Deer and elk winter along the Muddy Fork; avoid disturbing them. |
Permits, fees & closures
Free Wilderness Permits are available at trailheads. Some trailheads require a valid recreation pass; confirm requirements for your chosen access with Gifford Pinchot National Forest.
Fees: Wilderness permits are free.
Official source: Gifford Pinchot National Forest | Wilderness: Tatoosh · Verified November 4, 2026
Hazards & regulations
- The Tatoosh Trail climbs steeply onto rugged Tatoosh Ridge. Budget time and energy for both the ascent and return.
- Tatoosh Lakes Trail #161B has steep grades and poor trail conditions. Watch footing and turn back if conditions exceed your ability.
- Heavy winter snowfall can complicate ridge travel. Check snow conditions and carry equipment appropriate to the terrain.
- Potable water is unavailable. Carry drinking water and treat water collected from natural sources.
- Black bears forage in the forest. Secure food and scented items, keep your distance, and never feed wildlife.
What to pack for Tatoosh Wilderness
- Topographic map covering the planned route
- Compass or offline navigation
- Headlamp
- First-aid kit
- Emergency shelter
- Supportive hiking footwear
- Trekking poles for steep grades
- Waterproof shell
- Warm insulating layers
- Snow-travel equipment when conditions require it
- Drinking water and carrying capacity
- Water filter or other treatment
- Food and secure wildlife-resistant storage
- Waste bags
- Overnight shelter if camping outside Tatoosh Lakes Basin
Tatoosh Wilderness FAQ
- Where is Tatoosh Wilderness?
- It lies in Washington's Gifford Pinchot National Forest, just north of Packwood and northwest of US-12. The 15,720-acre wilderness shares part of Mount Rainier National Park's southern boundary.
- Which trailheads provide access?
- Tatoosh North and Tatoosh South provide access to Tatoosh Trail #161. Backbone Lake Trail #164 is another trail within the wilderness. Check current access and trail conditions with Gifford Pinchot National Forest before traveling.
- How long is the Tatoosh Trail?
- The Tatoosh Trail is 8.6 miles long. It climbs steeply onto Tatoosh Ridge, then becomes gentler before descending through subalpine meadows. Side trails lead to Tatoosh Lakes and the historic lookout site; do not assume their mileage is included in your planned outing.
- Can visitors camp or have fires at Tatoosh Lakes?
- Camping and campfires are prohibited within Tatoosh Lakes Basin. Stock are also prohibited in the basin and on Tatoosh Lakes Trail #161B, where steep grades and poor trail conditions make stock travel unsuitable.
- What is at the historic lookout site?
- The former fire lookout site sits atop Tatoosh Ridge at 6,310 feet, with views in all directions. The lookout was built in 1932. Mount Rainier is visible to the north when conditions allow.
- What Indigenous history is associated with the ridge?
- Taidnapam, or Upper Cowlitz, families historically climbed the ridge in mid-to-late August from fishing camps at the Muddy Fork and Clear Fork Cowlitz confluence. They hunted, gathered basket-making materials, and picked huckleberries to dry for winter. Archaeological evidence indicates a long tradition of these high-country visits.