Angling in Yellowstone National Park features. The National Park Service may also enact emergency closures and restrictions because of low water, high temperatures or fires. Anglers should always be familiar with the most current regulations, restrictions and closures. A Yellowstone National Park fishing permit is required to fish in the park. State licenses are not required. Angling supplies are available in the park's concession stores and in the towns associated with major entrances to the park—West Yellowstone, Montana; Gardiner, Montana; Jackson, Wyoming; Cody, Wyoming and Cooke City, Montana The original expeditions that explored the regions that ultimately became Yellowstone National Park in 1872 caught fish
Powder River, Wyoming Powder River, Wyoming Powder River is a census-designated place (CDP) in Natrona County, Wyoming, United States. It is part of the Casper, Wyoming Metropolitan Statistical Area. The population was 44 at the 2010 census. A post office called Powder River has been in operation since 1904. The community was named after the Powder River. According to the United States Census Bureau, the CDP has a total area of 6.0 square miles (15.4 km²), of which, 5.9 square miles (15.3 km²) of it is land and 0.1 square miles (0.1 km²) of it (0.84%) is water. As of the census of