Kasshabog Lake is in the Great Lakes Basin, and is home to a cottage community, including game fishing, a marina and lodges. The irregular shaped lake is dotted with dozens of islands and shoals, channels, drop offs, weed beds and bays.
Kasshabog Lake has soft, slightly acidic water with a moderately low amount of apparent colour. The hardness, alkalinity, and conductivity levels indicate the lake is well mixed.
A gravel based public launch located off of Blue Mountain Rd. 9 on the southeast side and another one at the end of Peninsula Rd. which runs along the south side of MacDonald Bay.
Surface area is approximately 810 hectors (2,000 acres) Max depth is around 35m (115 feet). Average depth is approximately 4.6m (15feet).