Avoca Island Cut-off partially encircles the north and east sides of the lake.

Assumption Parish covers a small part of the eastern section, from Bayou Cherami to the drainage into Bayou Boeuf, which is also referred to as part of the Avoca Island cutoff.

St. Mary Parish covers the southern area and the southwestern half.

The lake is part of the one-million-acre river swamp of the Atchafalaya Basin.

The 106-foot (32 m) tower has 61 bronze bells, cast in the Netherlands, that represents five octaves of range and weight from 18 to 4,730 pounds (8.2 to 2,145.5 kg).