Norosan Speed Park was permanent track located top of the Mt.Noro at Kure city Hiroshima prefecture in Japan. The track opened in 1970 was very tight and undulating.NSP hosted 16 races in 5 years. The opening event was All Japan Stock car Kure 200 kilometer Race in 5th May 1970 promoted by Nippon Auto Club. However the track was closed in 1974 due to noise pollution problem.Three layouts are included1.38km, 1.72km(Long) clockwise and 0.93km (Stockcar) Counterclockwise.