Detroit River, Michigan Fishing Map Fishing Hot Spots sets the standard for others to follow. Its the map successful anglers have asked for by name for more than two decades. The Detroit River is a surprisingly excellent fishery within a large, urban area. Large numbers of trophy walleye and many white bass are caught regularly. This map covers the 32 river miles that lead up to Lake Erie Featured Species Walleye White Bass Yellow Perch Map features include Full lake profile Fishery information