MTSG Infinity Loop


The Mountains to Sound Greenway Infinity Loop is a nearly 400-mile route that goes to the northern, eastern, western, and southern borders of Washington State’s Mountains to Sound Greenway. The route is 220 miles of bike-packing and 175 miles of backpacking.  It travels through the Alpine Lakes Wilderness and downtown Seattle, old-growth forests, alpine meadows, shrub-steppe deserts, and lowland river valleys.

More information to come! Maps and other resources can be found at: