Cyclists on Cross State Trail
Waterside trail path
Historic bridge on trail
Historic depot building
Trail tunnel
Modern trail bridge

Cross State Trail Southern Route

A Scenic Journey Across Southern Washington

Find Trail Access Points →
217+
Miles of Trail
5
Distinct Ecosystems
2.3
Mile Snoqualmie Tunnel
2
Historic Railroad Corridors

Experience Washington's Diversity

From Cascade peaks to the Pacific Ocean, this unique cross-state bikeway showcases the full spectrum of Washington's natural beauty

A One-of-a-Kind Journey

Connected to the Cascade to Palouse trail, this route creates a unique cross-state bikeway linking the Cascade Mountains to the Pacific Ocean. Traverse five distinct ecosystems from alpine forests through agricultural valleys to coastal wetlands, experiencing the full diversity of Washington's landscapes.

Historic Railroad Heritage

Follow historic railroad corridors listed on the National Register of Historic Places. Ride the Milwaukee Road, the nation's first electrified transcontinental railroad, and the Willapa Hills line that supported the timber industry that built the Pacific Northwest.

Spectacular Scenery

Beginning in the Cascade foothills with mountain vistas and old-growth forests, descending through the scenic Snoqualmie Valley, crossing Puget Sound lowlands, and culminating at Willapa Bay—one of the most pristine estuaries on the Pacific Coast.

Explore the Route

Ride with GPS Cross State Trail Southern Route

Trail Highlights

🏔️ Mountain & Forest Views

Experience views of Mount Rainier, Mount Si, and the Olympic Mountains as you pass through the Mountains to Sound Greenway National Heritage Area. Journey through old-growth forests and the iconic 2.3-mile Snoqualmie Tunnel.

⛺ Camping

Excellent campsites availabe at Alice Creek, Kanasket Palmer State Park, South Prairie RV Park, Tenino City Park, Rainbow Falls State Park and South Bend.

🏛️ Cultural & Historic Attractions

Discover Snoqualmie Falls (a sacred Native American site), Northwest Railway Museum, historic downtown districts in Enumclaw and Centralia, Foothills Historical Society Heritage Center, and the Tenino Depot Museum built in 1914 from beautiful Tenino Sandstone.

🌊 Natural Swimming Pool

Take a refreshing break at the Quarry Swimming Pool in Tenino City Park. Originally a working sandstone quarry in the late 1800s, this all-natural lake is now a low-cost, family-friendly recreation spot complete with aquatic life and plants.

🚂 Railroad Heritage

The Foothills Trail follows the Northern Pacific Railroad's second line from Tacoma over Stampede Pass. From Roy to Yelm and Tenino, it was the Prairie Line—the first train to Tacoma—which allowed the Northern Pacific Railroad to gain lands six miles wide on each side along the route.

🏞️ Exceptional Recreation Infrastructure

Access two State Park trail systems, five county trail systems, 10+ municipal parks, numerous lakes, interpretive centers at Snoqualmie Falls and Cedar River Watershed, connections to 20+ local trail systems, and designated camping at state parks and primitive sites.

🌲 Wildlife & Wilderness

Connect to Mount Baker-Snoqualmie National Forest recreation areas and enjoy opportunities for hiking, water sports, and wildlife viewing throughout your journey.

Plan Your Adventure

Best Time to Ride

Most of the trail is accessible year-round, though spring through fall (April-October) offers the most favorable weather conditions. Summer provides the warmest temperatures, while spring and fall showcase stunning seasonal colors. Typically from November 1 to May 1 the Snoqualmie Tunnel and area is closed for winter season.

Accommodations

Find camping at state parks and primitive sites along the route. Historic towns including Enumclaw, Centralia, and Tenino offer lodging, dining, and services for touring cyclists.

Trail Conditions

The route primarily follows well-maintained rail-trails and paved paths. Be prepared for the 2.3-mile Snoqualmie Tunnel (bring lights!) and varying terrain from mountain passes to coastal lowlands.

Download the Route

Visit the interactive map above to download GPX files, view detailed elevation profiles, and access turn-by-turn directions for your GPS device or smartphone.

Safety Tips

Carry plenty of water, wear appropriate safety gear including helmets and lights for tunnels. Check weather conditions before departure and be prepared for changing conditions across different elevations.

Local Services

Towns along the route offer bike shops, restaurants, groceries, and emergency services. Plan your stops accordingly, as some rural sections have limited services.