Rann Of Kutch salt marshes in western India (partly in Pakistan), north of Kathiawar peninsula , to the east of the Indus delta. Pl. more than 8 thousand km . Flat bottom, covered with black mud with a white salt crust. Separate returns up to 400 m. Summer monsoon rains transform vast areas into small lakes. In the dry season, herds of wild donkeys can be seen on the sparkling hard crust.