The Sugar River State Trail is a 24-mile (39 km) long, 265-acre (107 ha), recreation rail trail in Wisconsin.

[1] This trail connects four communities: New Glarus, Monticello, Albany and Brodhead.

The limestone-surfaced trail is on an abandoned railroad bed, and is used for bicycling, hiking, and snowmobiling.

It also hosts a 9-mile (14 km) portion of the Ice Age Trail.

This article related to a protected area in Wisconsin is a stub.