Putnam Valley is a town in Putnam County, New York, United States. The population was 10,686 at the 2000 census. Its location is northeast of New York City.The Town of Putnam Valley is in the southwest part of Putnam County. Putnam Valley calls itself the "Town of Lakes".Putnam Valley is the birthplace of actor Tom Welling, best known for his role as Clark Kent in the TV series Smallville. David Amram resided in Putnam Valley for many decades, as did Jim Steinman and Dr. Ruth WestheimerReal estate mogul Donald Trump bought land in Putnam Valley and later donated it to the State; in 2006 this parcel was renamed Donald J. Trump State Park.The Sopranos episode "Soprano Home Movies" in season 6 was shot on Lake Oscawana. Malcolm X was also filmed here, as well as the highway chase scene in Die Hard with a Vengeance.