is a mountain pass

Mountain pass

A mountain pass is a route through a mountain range or over a ridge. If following the lowest possible route, a pass is locally the highest point on that route...

 in the north-end of the Hidaka Mountains

Hidaka Mountains

Hidaka Mountains is a mountain range in southeastern Hokkaidō, Japan. It runs 150 km from Mount Sahoro or Karikachi Pass in central Hokkaidō south, running into the sea at Cape Erimo. It consists of folded mountains that range from 1500 to 2000 metres in height. Mount Poroshiri is the highest...

 of Hokkaidō

Hokkaido

, formerly known as Ezo, Yezo, Yeso, or Yesso, is Japan's second largest island; it is also the largest and northernmost of Japan's 47 prefectural-level subdivisions. The Tsugaru Strait separates Hokkaido from Honshu, although the two islands are connected by the underwater railway Seikan Tunnel...

, Japan

Japan

Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

. The pass traverses the mountains at 495 metres (1,624 ft) and is 6.9 kilometres (4.3 mi) long. The road is 6 metres (20 ft) wide with a maximum grade of 6%. The minimum curve radius is 160 metres (524.9 ft). Snow is possible on the pass from October to April. Japan National Route 237 crosses the pass between Hidaka

Hidaka, Hokkaido

is a town located in Saru District, Hidaka, Hokkaidō, Japan.-Geography:Hidaka town is divided into two wards, which coincide with the former towns of Hidaka and Monbetsu. Biratori lies between the two wards separating them. Hidaka lies in the Hidaka Mountains at a cross road leading to Sapporo,...

 and Shimukappu

Shimukappu, Hokkaido

-External links:* *** in English and Japanese...

.