Plan the North Cascades Section of the Cascade Loop
In Partnership with the Cascade Loop Association
The North Cascades Highway is one of the most scenic and seasonally complicated sections of the Cascade Loop. Use this page to check whether the route works for your trip, choose realistic stops and short hikes, prepare for long service gaps, and find backup options when weather, smoke, parking, or closures change the plan.
Start with Highway 20 access
SR 20 closes across the mountains each winter. Access can also be affected by wildfires, rockfalls, or construction. Even when the highway is open, high-elevation trails, campgrounds, and facilities may still have lingering snow or be otherwise unavailable.
- Check current North Cascades conditions: Start here for Highway 20 status, road alerts, smoke, fire restrictions, and links to official sources.
- See this weekend’s North Cascades plan: Turn the current access, weather, and crowd picture into a practical trip plan.
- When Is Highway 20 Open?: Use this when your trip is still weeks or months away.
- Find a backup when the pass or weather changes: Build a worthwhile trip from the side of the mountains you can actually reach.
If your itinerary depends on crossing the pass, verify the route with the official WSDOT North Cascades Highway report before leaving.
Choose what fits your trip
A good Highway 20 plan depends on more than the number of miles. Stops, parking, short walks, meals, weather, and the return drive all take time. Start with the type of day your group actually wants.
Need a more specific fit? See family-friendly stops, accessible and limited-mobility walks, or dog-friendly trails and stops.
Prepare for the service gap
Services become increasingly limited between Marblemount and Mazama, and cell coverage is nonexistent through much of the mountain corridor. Handle fuel, food, water, bathrooms, and other essentials before they become urgent problems. Download maps before you drive the corridor.
Camping or traveling by RV? Start with the North Cascades campground guide. If the main campgrounds are already booked, use the campground backup guide before arriving without a confirmed overnight plan.
Browse by section of the corridor
Highway 20 is a chain of distinct areas rather than one park entrance. If the pass is closed or your available time is limited, focus on the section you can reach instead of trying to force the entire route.
- West-side approach (from Seattle & I-5): Concrete, Rockport, and Marblemount for lodging, supplies, river stops, and lower-elevation backup options.
- Park corridor: Newhalem, Diablo Lake, Ross Lake, and the North Cascades park complex for visitor facilities, lake views, campgrounds, and short walks.
- High country: Rainy Pass and Washington Pass for alpine scenery, popular trailheads, fall larches, and short scenic stops when access allows.
- East side (the Cascade Loop way): The Methow Valley, including Mazama, Winthrop, and Twisp, for lodging, restaurants, services, and east-side access toward the mountains.
For the complete geographic overview, use the North Cascades Highway corridor guide.
Get North Cascades updates before your trip
Receive one practical weekly update covering Highway 20 access, smoke, seasonal conditions, crowd-aware suggestions, short hikes, and new trip-planning resources.
Planning the complete Cascade Loop?
Cascades Field Guide specializes in practical planning for the North Cascades Highway corridor. Visit CascadeLoop.com for the complete 440-mile route, regional itineraries, maps, communities, and travel-guide resources.
