This bored and lined tunnel carries the Elroy-Sparta State Trail (former Chicago & North Western Railway) under an unnamed hill and Kayak Road between between Sparta and Norwalk

Norwalk, Monroe County, Wisconsin to Sparta, Monroe County, Wisconsin

Owner: Wisconsin Department of Natural Resources

Status: Open to Pedestrian Traffic

Built 1873

by

Ellis & McDonald of Sparta, Wisconsin

for

Chicago & North Western Railway

Design:
3,810' bored tunnel with stone, brick, concrete and corrugated metal lining

Description:
Bored and lined tunnel under unnamed hill and Kayak Road

Significance: