Kostin Shar
Kostin Shar
a strait in the Barents Sea between luzhnyi Island of Novaia Zemlia and Mezhdusharskii Island. Length, about 100 km; width, approximately 14 km at its southern entrance, 3.5 km at its narrowest point, and 16 km at its western entrance. The shores along the strait are high, with cliffs in some places.