Deerfield Valley Regional Airport (FAA LID: 4V8) (formerly Mount Snow Airport) was a privately owned, public use airport located one nautical mile (2 km) southwest of the central business district of West Dover, in Windham County, Vermont, United States.

[1] The airport was permanently closed by FAA NOTAM on June 3, 2019.

The property covers an area of 35 acres (14 ha) at an elevation of 1,953 feet (595 m) above mean sea level.

[1] For the 12-month period ending July 8, 2013, the airport had 3,100 general aviation aircraft operations, an average of 258 per month.

At that time there were seven aircraft based at this airport: 5 (71%) single-engine and 2 (29%) multi-engine.