Gateway is an unincorporated community and a U.S. Post Office located in Mesa County, Colorado, United States.

[3] The community most likely was named for a rock formation near the original town site.

Established by Discovery Channel founder John S. Hendricks.

Tourists may enjoy kayaking, off-road tours, guided fly-fishing, horseback riding, air tours and more at the Gateway Canyons Resort.

To the north lies the Palisade, a three-mile (4.8-km) long butte.