Less than an hour east of St. Louis you can explore Illinois’s largest manmade lake. Carlyle Lake is a popular lake for sailing, camping, fishing, hiking, and more. There are several state parks and recreation areas located along the shores of the lake with Eldon Hazlet being the largest. This recreation area is a great spot to spend a day or weekend on the lake without having to travel far. Read on for a family travel guide to both Carlyle…