State of New Hampshire - Lancaster
- Part of the state's official site. Town's mailing address, population, county, and districts for election purposes. Includes related links.
- http://www.nh.gov/municipal/lancaste.html

Israel River at Lancaster, NH
- Real-time data on water temperature and river stage. Also provides web camera images. Operated by the US Army Corps of Engineers, Cold Regions Research and Engineering Laboratory.
- https://webcam.crrel.usace.army.mil/lancaster/

Town of Lancaster
- Official town website. Departments, news and announcements, board meeting schedules and minutes, town ordinances, and online permit forms.
- http://www.lancasternh.org/

Lancaster NH Info
- Offers photos, maps, history, tourism, and business information and links. Provided by Ed Sanders.
- http://www.greatnorthwoods.org/lancaster/