Pahngwahshahshk Ohweemushkeeg Provincial Park is a 57,761 hectare protected area in the northeastern portion of the Whitefeather Forest. Ontario Parks lists the park as established in 2011 and notes that it was formerly known as Sampson Lake.
The official page describes an outstanding wetland complex of fen, bog, and marsh. The area acts as both a water filter and a headwater, with water flowing north, south, and west for the Severn and Berens watersheds.
This park is a long-tail page for travellers and researchers focused on northern wetlands, watershed headwaters, and Sampson Lake. Ontario Parks says Sampson Lake is the largest body of water within the protected area and sits on the south-central side, flanked by the northern extent of the Lac Seul Moraine.
Sampson Lake has distinct ecological features: extensive sand beaches and shallow, clear, spring-fed waters that support a remarkable whitefish population. The official facilities note is sparse but specific: there is one boat cache within the park.
Because the park is large, remote, and wetland-focused, trip planning should start with official maps and current access guidance rather than assumptions about facilities or routes.
The headwater role also means impacts in the protected area can matter beyond a single lake basin.
Plan around wetland research, headwater and watershed context, Sampson Lake study, whitefish habitat awareness, sand beach observation, boat-cache logistics, and low-impact remote travel.
Confirm access, maps, boat-cache information, permitted activities, wetland sensitivity, weather, water conditions, alerts, emergency planning, and park rules through Ontario Parks.
Non-operating park in Ontario Parks locator.
