The Kiwalik River is a stream on the Seward Peninsula in the U.S. state of Alaska. The headwaters of the river originate in the eastern portion of the peninsula, around Granite Mountain. The river flows north to its mouth at Kiwalik Lagoon, Chukchi Sea. The start of the 20th century mining town of Candle is found on its western bank at the confluence of Candle Creek. The ore minerals and materials found in the river basin are galena, gold, pyrite, scheelite, silver and sphalerite, and the primary commodities are tungsten, lead and zinc.