Green River is a city in Emery County, Utah, United States.

He and his men named most of the canyons, geographic features, and rapids along the Green River during his two voyages in 1869 and 1871.

Powell also paved the way for later generations of explorers and scientists interested in the unique geology of the basin of the Green River.

Today, the river is primarily used for recreational and education rafting, canoeing, and kayaking trips.

The line commonly known as the Utah Division of the Denver and Rio Grande Western Railroad was built in 1883, and a train station was opened.

A hotel called the Palmer House was built and became the scheduled meal stop for trains from both directions for many years.

The San Rafael Swell region is located west of the city, while Canyonlands National Park lies to the south.

Located approximately 100 miles (160 km) from both Richfield, Utah, and Grand Junction, Colorado, Green River's local economy primarily caters to serving passers-by on Interstate 70, since there are no services on I-70 westbound between Green River and Salina, 107 miles (172 km) away.

The economy relies heavily on hotels, fast food, and a few other restaurants and gas stations.

A large natural gas field has been discovered 3 miles (5 km) south of the city.

A proposed nuclear power plant, the Blue Castle Project, is located approximately five miles west-northwest of the town.

Green River is the home of three of the characters in Edward Abbey's novel, The Monkey Wrench Gang.