Silver Islet 1868

On a tiny barren rock thrusting no more than 2.5 metres above water level, one of the richest sources of silver in North America was discovered in 1868. Despite the difficulties presented by such a restricted and isolated site, the Silver Islet mine produced silver worth more than $3 million during its years of operation.


In Sleeping Giant Provincial Park, within view of the former mine site, at the foot of Highway 587, south of Pass Lake

Region: Northern Ontario

County/District: District of Thunder Bay

Municipality: Sleeping Giant Provincial Park