Nora is located in the Da Hinggan-Dzhagdy Mountains conifer forests ecoregion. This ecoregion is an area of inland plains surrounded by low hills and the Greater Khingan mountain range. It is a forested area connecting China (Manchuria) and Russia (Amur River basin), with southern taiga plant communities in the Russian sections, and Mongolian larch forests with mixed pine and fir in the Chinese forests.