Porcupine River Village Bank serves as the primary swimming area for the local community near Old Crow. This freshwater site features a rocky river transition accessible via a shore entry. Conditions are variable, with visibility often limited by silt. Divers and snorkellers should be aware of potential hazards including boat traffic, cold water, low visibility, and strong currents. Summer water temperatures can reach approximately 16.7°C. Given the environmental conditions, this site is rated 1/5 for snorkelling and is best suited for those prepared for river environments.

Old Crow River in Canada is a subarctic freshwater site primarily used for underwater fossil prospecting. Snorkellers explore shallow point bars where Pleistocene fossils, including mammoth, horse, and bison remains, are frequently found on the river bottom. This site is suitable for advanced snorkellers only, as conditions include strong currents, low visibility, and very cold water temperatures. Access is via shore entry. Due to the subarctic climate, water temperatures remain cold throughout the year, with the most manageable conditions occurring during the short summer season.