This is a general marker for a large river. This is the longest river in WA stretching 865km. There are 3 branches in its upper reaches. The river reaches its mouth as it flows into
Shark Bay and the Indian Ocean at
Carnarvon. It is said to be an upside-down river, as it flows for about 120 days of the year and below the dry river bed for the remainder of the year. It is in effect a huge water storage system with the river's aquifers lying below the desert sands.It flows through sparsely vegetated countryside which is used mainly for gold-mining and sheep stations. The river flows through many permanent pools that are valuable to both stock and native species. Some of the main pools located along the river include Tibbingoona Pool, Mutherbokin Pool and Mibbley Pool.