3rd Ave. NW, Mount Vernon, Iowa 52314 A century-old tradition, the street remains barricaded and unplowed after a snowstorm, allowing a long, steep slope for sledders and snowboarders. Share This Page: Loading... No Records Found Sorry, no records were found. Please adjust your search criteria and try again. Maps failed to load Sorry, unable to load the Maps API. Enter your locationGet Directions Travel modeDrivingWalkingBicyclingPublic Transport Distance unitsMilesKilometers Previous Next Previous Next Share This Page: