Gulch Cape (59°02'N., 63°09'W.) is the E extremity of a 6mile long peninsula separating Delabaree Bay from Nachvak Bay. A SE current of 2 knots velocity has been observed off Gulch Cape, which rises inland to a dome shaped summit, about 305m high. 12.12 Nachvak Bay (59°07'N., 63°21'W.), a large bight, lies between Gulch Cape and Cape Daly (59°12'N., 63°23'W.). Three known dangers in the bay are Passage Reef (59°06'N., 63°20'W.), with a depth of 1.8m and on which the sea breaks occasionally; Southeast Rock, of similar depth, lying 2.2 miles NE of the reef; and Big Reef (59°08'N., 63°20'W.), drying 3m, which has breakers extending 0.5 mile SE. Bigelow Bay (59°05'N., 63°17'W.), on the S side of Nachvak Bay, is unsurveyed.

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