Cascade River Road

Cascade River Road branches off Highway 20 in Marblemount and runs roughly 23 miles south into the mountains along the Cascade River, acting as one of the primary access corridors into the eastern edge of the Mount Baker-Snoqualmie National Forest and the southeastern portion North Cascades National Park. It starts paved near town but transitions to gravel after ~7 miles as it climbs deeper into a narrow, rugged valley, with no services and no cell coverage. The road is best known for accessing Cascade River Park, as well as major trailheads like Cascade Pass and Sahale Arm, and many dispersed camping areas. It is a key launch point for some of the most iconic hikes in the North Cascades.

View all of our Cascade River Road / Cascade Pass Guides Below:

Cascade River Road is the access gate for Cascade Pass and several other major trailheads, and it is also where many SR-20 days fail because people don’t confirm road status, underestimate gravel-road time, or arrive to a full trailhead lot. Use this guide to decide if you should drive it today, what to do if access is limited, and how to avoid turning a good day into a slow backtrack.

Read more about Cascade River Road - Access, Trailheads, and Planning (From SR-20 Near Marblemount)

If you do one “big” hike off SR-20, Cascade Pass with the Sahale Arm add-on is the one that most often fails for simple reasons: the road is not open to the trailhead yet, the parking situation collapses your start time, or your overnight permit plan does not match reality. Use this page to decide day hike vs. partial hike vs. overnight, and to build a Plan B that still salvages your day if access or conditions change.

Read more about Cascade Pass and Sahale Arm - Practical Planning Guide (Road Access, Parking, Permits)

Subscribe to Cascade River Road

Cascade River Road

View all of our Cascade River Road / Cascade Pass Guides Below:

Cascade River Road - Access, Trailheads, and Planning (From SR-20 Near Marblemount)

Cascade Pass and Sahale Arm - Practical Planning Guide (Road Access, Parking, Permits)

Get Weekly Cascades Updates

Current Conditions