The Alfred Bog is a domed peat bog in Eastern Ontario, Canada, about 7 kilometres (4.3 mi) south of Alfred and 70 kilometres (43 mi) east of Ottawa. The bog is considered the largest high-quality bog in Southern Ontario, and was designated by the Ontario Ministry of Natural Resources as a "Class 1 Wetland" and an "Area of Natural and Scientific Interest (ANSI)" in 1984. It is home to rare animal species and a healthy moose population.