The Kara-ntere "(black stream) (Elatia) is a forested area located in the northern prefecture of Drama. Total area of Elatia is 92,517 str. with 77,328 str. forest area. Core area of this region is an area str. 29,784, of which compact forest area is 25,589 str.
The Kara-ntere is an ecosystem which has great biodiversity. In this feature, both based in aviotiko local environment, and in biotic populations that make up the food chain of the ecosystem.