This national refuge in the northeast corner of South Dakota provides more than 21,000 acres of habitat for migrating waterfowl and a variety of other fish, reptiles, and amphibians. The refuge, designated as a Wetlands of International Importance, is home to 155,000 pairs of Franklin's Gulls, the largest reported nesting colony in the world. A 108-foot observation tower at the visitor center offers visitors a 'birds-eye' view of the refuge.
A variety of year-round recreation is offered here; birdwatching, photography, hunting and fishing, and educational programs are popular at the refuge. The Columbia Recreation Area, situated one mile from Refuge Headquarters, features a 3/4-mile hiking trail, interpretive kiosks, and picnic facilities. A 15-mile driving tour can be made between April and mid-September, depending on road conditions. The refuge is open during daylight hours only; visitor center open Monday-Friday. Admission to the refuge is free.