It is "the largest and best example of fen bog in southern Ontario",[3] one of the "most diverse undisturbed wetland tracts in Canada"[4] and is a provincially significant Area of Natural and Scientific Interest.

[7] It acts as a reservoir that absorbs floodwater during spring thaw, from which a slow and steady flow is released throughout the summer into the Nottawasaga River system.

[4] Minesing Wetlands is an important staging area for thousands of migratory waterfowl,[7] and is the largest wintering ground for white-tailed deer.

[7] It supports numerous plant species which are at the extremities of their natural range, including those indigenous to the arctic tundra in the north and the Carolinian forests to the south, and is home to the "largest pure stand of silver maple in the province".

Canoeing is a common activity in the area, though inexperienced canoeists should be wary of spring flooding.