Live Chat I-71 Community Nearby Traffic Cowan Lake State Park (Landuse grass) 2024-05-27 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Cowan Lake State Park (Landuse Grass) Martinsville, OH 7.40 Midland, OH 8.29 Clarksville, OH 10.85 Interstate highway exits close to Cowan Lake State Park (Landuse Grass) Exit 45, i71 15.24 Exit 50, i71 17.48 Exit 36, i71 20.01 Interstate highways close to Cowan Lake State Park (Landuse Grass) i71 map 15.24 i275oh map 38.88 i75 map 41.34 State roads close to Cowan Lake State Park (Landuse Grass) OH 350 map 0.17 US 68 OH map 0.19 OH 28 map 4.62