Welcome to Lake McConaughy
8 miles northeast of Ogallala, NE – I-80 Exit 126
Lake McConaughy is Nebraska’s biggest lake and the largest reservoir in a three state region. At full storage, Lake Mac is twenty miles long, four miles wide, and 142 feet deep at the dam. Built on the edge of the Nebraska Sandhills, Lake Mac offers natural white sand beaches, excellent fishing, boating, camping and all types of outdoor recreation.
Let the trail lead you here for family fun in all seasons.
Check boat ramp availability here.
Share The Shoreline
Summer visitors to Lake Mac are asked to be aware of the feathered friends who share the sandy shoreline as they nest and raise their young. Lake McConaughy SRA superintendent Colby Johnson says, “Park visitors can help protect the endangered least terns and threatened piping plovers and ensure that we can strike the right balance between human recreation and endangered [...]




