The invention relates to a wash basin that can rotate and pivot between a use position and a folded position, comprising a main body (1) which is affixed to the wall and on which the tap (4) is mounted. The body of the wash basin (2) is hinged to the main body using two tubular elements (13) housed in holes provided in the sides of the securing body and of the wash basin body. One of the tubular elements (13) forms a drain. The inner rear part of the wash basin body (2) includes a channel that is inclined towards the side of the wash basin body (2) that includes the drain.
