an apartment that monopolizes valley water from the mountains

(1)Gwacheon Raemian Eco Palace
(2)The stream flows through the apartment
(3)It becomes a private valley in the summer
(4)There is a valley that descends from Gwanaksan Mountain in the center of the apartment complex, and outsiders go to Gwanaksan Mountain, but it is said that only residents use it because they don’t have to come here