Chaplin Lake is a saline lake which has an area of 52 kilometres squared (20 mi2), making it the second largest saline lake in Canada. is a haven for many varieties of shorebirds. The "Chaplin, Old Wives and Reed Lake complex" is a site in the Western Hemisphere Shorebird Reserve Network, and was dedicated as having global importance in May 1997. This was followed by recognition as a globally significant Important Bird Area in 1999. The endangered species of piping plovers find sanctuary here as well. Saskatchewan Heritage Marsh is located at the south end of Chaplin Lake where sanderling, stilt sandpiper, American avocet, semipalmated and Baird's sandpiper, killdeer, long-billed curlew, marbled godwit, and dowitcher can be often seen in the spring.