Lac-Simon is an Indian reserve in Abitibi-Témiscamingue, Quebec. Basically at N45.54 to N46 and W75.03 to W75.06
There are also a number of residential cottages and summer houses around the lake. It is about 15 miles long and 2 miles wide with a large island containing a smaller pond itself. There are several small islands on it, some of which are large enough to camp on.
In the 1950s a small rc-3 sea bee with four people on board crashed and sank in very deep water in lake simon. In 2007 the aircraft was discovered in 150ft. of water. The return of Deer to the area was featured in an episode of Lorne Greene's New Wilderness in the mid-1980s.