'Hills' in the Bible

And constantly, day and night, he remained among the tombs or on the hills, shrieking, and mangling himself with sharp stones.

And after He said goodbye to them, He went to the mountain to pray.

"As soon, however, as you see the Abomination of Desolation standing where he ought not" --let the reader observe these words--"then let those in Judaea escape to the hills;