[2] Two distinct populations are known to exist, one in eastern Liaoning province of northeastern China, and one in the central mountains of the Korean Peninsula.
[1] Within South Korea, it is found in eastern Gyeonggi (specifically Gapyeong) and also in Gangwon-do (particularly the Odaesan mountain complex).
[2] The Korean water toad is found inland, at elevations from 200 to 700 meters above sea level.
Bufo stejnegeri has unique ecology for a toad because they are semi-aquatic and breed in lotic environments.
Between November and January, males and females enter streams and immediately begin amplexus.