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Geographic Information Systems (GIS)


The Sullivan County ITS, GIS Program staff are committed to providing high quality GIS data and services to the public. Our GIS team develops and maintains data hosted in the Sullivan County GIS Infrastructure. This data is then used to provide maps, apps, and data to commercial vendors, government organizations, non-profit organizations, and the general public. Day-to-day operations include database development, data creation, data maintenance, app development, custom map orders, and GIS problem resolution.




Explore our newest app!

The Sullivan County Planning Division, Sullivan County Parks and Recreation Dep't, and the Sullivan County ITS: GIS Program are excited to introduce our new Explore our County Parks web experience! This multi-media experience is designed to encourage you, visitors and residents alike, to locate and enjoy the many beautiful parks and trails maintained by the county for your enjoyment. Interest piqued? Be sure to check out the Pick Your Destination page and the Hiking in the Catskills page in the experience as well! You can use the links to get directions to your adventure, obtain more information on your destination, or explore the parks maintained by our local municipalities. For our travelers and visitors, this experience is designed to be device intuitive so you can discover our county parks right from your device! Come experience the beauty that is Sullivan County!

App Updates:

Our Warming and Cooling Centers Locator has been revamped, renamed, and streamlined for a more user friendly experience! You can now find our new Warming and Cooling Centers Near You app in our app gallery!

How can we help you?

Need data?

Our Sullivan County Open Data Portal is ready for your GIS data needs! 

  • View free, open source GIS data.
  • All data is licensed under a CC Attribution-ShareALike 2.0 Generic License. Users of this data and information certify that it will not be used for solicitation or fund-raising purposes. Please see item metadata/details page for additional information and disclaimer.
  • We are developing new data, and improving existing data, on a consistent basis so make sure to visit again!

Need answers?

Most visitors can answer their questions using the Interactive Mapping Apps below.

To view the app gallery in a full browser window, click here


Contact us:
Sullivan County Gov't Center
Information Technology Services
100 North St
Monticello, NY 12701
Phone: (845) 807-0110
Email: GIS Program