 The railroad ran from a connection with the Kewaunee, Green Bay and Western Railroad at Casco Junction to the lakeshore terminals of Algoma in Kewaunee County and Sturgeon Bay in the "Door County thumb" of Wisconsin.Other towns along the line include Casco, Rio Creek, Forestville, Maplewood, and Sawyer.The name of the railroad comes from the city of Ahnapee, which was founded along the Ahnapee River and became Algoma in 1899.