Public transportation will bring you into the area but there is no public transportation to sites within the river valley.
ShortLine Bus provides daily service from the New York City area to Port Jervis, Middletown, and Monticello NY. Seasonal service is available to Honesdale, Milford, and Matamoras PA.
New Jersey Transit provides passenger train service from the New York Cit area to Port Jervis NY.
Several airports serve this area:
Wilkes-Barre/Scranton International Airport (AVP)
Newark International Airport (EWR)
Stewart International Airport (SWF)
Lehigh Valley International Airport (ABE)