United States of America
The Robe Canyon Historic Trail is a county park and hiking trail located east of Granite Falls, Washington. The park, maintained by Snohomish County, encompasses 970 acres (3.9 km2) of wilderness area along the Stillaguamish River and features railroad tunnels, river beaches, and hiking trails.
Listen to the audio guide for Robe Canyon Historic Trail Free on WIP — starts by itself when you arrive, even with the screen off