Innamincka, formerly Hopetoun, is a township and locality in north-east South Australia. By air it is 820 kilometres (510 miles) north-east of the state capital, Adelaide, and 365 kilometres (227 miles) north-east of the closest town, Lyndhurst. It is 66 kilometres (41 miles) north-east of the Moomba Gas Refinery. The town lies within the Innamincka Regional Reserve and is surrounded by the Strzelecki Desert to the south and the Sturt Stony Desert to the north. It is linked by road to Lyndhurst via the Strzelecki Track, to the Birdsville Developmental Road via Cordillo Downs Road and Arrabury Road (via Haddon Corner), and the Walkers Crossing Track to the Birdsville Track. The Walkers Crossing Track is closed in summer and only traversable in dry weather. The township is situated along the Cooper Creek, a part of the Lake Eyre basin.