Japan National Route 339

National Route 339
国道339号
Japan National Route 339 highlighted in red
Route information
Length	108.4 km[1] (67.4 mi)
Existed	1 April 1975–present
Major junctions
South end	National Route 7 in Hirosaki
Major intersections	National Route 102 / National Route 394 National Route 101 Tsugaru Expressway
North end	National Route 280 in Sotogahama
Location
Country	Japan
Highway system
National highways of Japan Expressways of Japan
← National Route 338 → National Route 340

National Route 339 (国道339号, Kokudō Sanbyaku san-jukyūgō) is a national highway of Japan that traverses the western side of Aomori Prefecture, traveling south to north. The 108.4-kilometer (67.4 mi) highway begins as a concurrent route with National Route 7 in central Hirosaki, it then leaves National Route 7 in Fujisaki and travels north through the municipalities of Itayanagi, Tsuruta, Goshogawara, and Nakadomari before ending at an intersection with National Route 280 in Sotogahama. In a unique feature, a 0.4-kilometer-long (0.25 mi) section of the route on Cape Tappi is a staircase.