Mud Lake is a natural lake located in Idaho, near Terreton. The lake is fed by numerous small streams and snowmelt from the surrounding hills. The hydrology of the lake is complex due to its unique location in a valley that is prone to flooding. The lake is an important water source for the surrounding agricultural community.

The lake is also a popular destination for recreational activities such as fishing, boating, and hiking. The area around the lake is home to a variety of wildlife, including bald eagles, coyotes, and elk.

Mud Lake is also significant for its role in water management in the area. It serves as a snowpack provider, helping to regulate water levels in the surrounding rivers and streams. Overall, Mud Lake is an important part of the ecosystem in Idaho and plays a vital role in the local community.