Nikko Botanical Garden
- Garden of the University of Tokyo presents an overview of its history, activities, and collections.
- http://www.bg.s.u-tokyo.ac.jp/nikko/NikkoBGe.html

Nikko Tourist Association
- A sightseeing guide about the natural environment and World Heritage sites in Nikko.
- http://www.nikko-jp.org/english/

Sights of Prefecture Tochigi
- Produced by the Tochigi Tourist Association, with information on the prefecture, tourist sites, foods, local products, and seasonal events.
- http://www.tochigiji.or.jp/language/English/