Geisspfadsee is a lake in Valais, Switzerland. Its surface area is 0.18 km². The lake is located in the municipality of Binn, at an elevation of 2439 m. It drains into Züesee (2420 m). The nearby border to Italy can be crossed at two mountain passes: Geisspfadpass (Passo della Rossa) and Grampielpass (Passo di Crampiolo).