Even though the city is located near big cities, the ecosystem of the paddy field remains rich in Kameoka City; special natural treasures designated by the government such as kissing loach, Japanese giant salamander and Japanese eight-barbel loach have been observed, but their numbers have declined due to urban development, causing concern.
大都市に隣接しながらも、水田生態系が豊富に残されており、国指定特別天然記念物のアユモドキやオオサンショウウオ、ホトケドジョウが観察されているが都市開発による減少が心配されている。