Ontario Exploration

Forgotten places, hidden history, and unusual destinations across Ontario

Ontario is full of places that were built with purpose and left when that purpose ended. Mines that closed. Mills that stopped running. Towns that emptied. Railways that were pulled up. This site documents what remains.

Explore by Region

Ottawa Valley

Lumber baron ruins, abandoned rail corridors, ghost towns along colonization roads, and the forgotten industrial heritage of the upper Ottawa River.


Petawawa Area

Military history from 1905 through Afghanistan. Internment camps, Cold War radar stations, and the Petawawa River log-drive era.


Eastern Ontario

The Lost Villages of the St. Lawrence, Almonte textile mills, the K&P Railway, and limestone-country industrial ruins.


Georgian Bay

Depot Harbour ghost town, Booth's railway terminus, island logging sites, and abandoned lighthouse stations.


Near North

Cobalt silver rush ruins, mining ghost towns, Sudbury's industrial landscape, and the T&NO Railway corridor.


Recent Articles

Ghost Towns Near Ottawa

Balaclava, Carbide Willson ruins, Opeongo Road settlements, and abandoned communities within a few hours of the capital.


Rail History of Ontario

The K&P, the OA&PS, and the thousands of kilometres of abandoned railway that once connected every small town in the province.


Hidden History of Petawawa

Internment camp remnants, pre-military settlement, the log-drive era, and what the base lands have accidentally preserved.


Before You Explore

Read the ethical exploration guide and safety tips. Understand the legal framework. Follow Leave No Trace principles. These places are fragile. Explore responsibly.