Pingualuit crater (Chubb crater)

Pingualuit crater, Canada

Well pronounced and well preserved impact crater, 3.44 km in diameter. Formed some 1.4 million years ago, in the Pleistocene. Rims of the crater rise 160 m above the tundra. The depth of the crater is 400 m, it is partly filled with 267 m deep Pingualuit lake. Lake water is one of the purest in the world.