'Cave' in the Bible

for when Jezebel destroyed the prophets of the Lord, Obadiah took a hundred prophets and hid them by fifties in a cave, and provided them with bread and water.)

Has it not been told to my master what I did when Jezebel killed the prophets of the Lord, that I hid a hundred prophets of the Lord by fifties in a cave, and provided them with bread and water?

Then he came there to a cave and lodged there; and behold, the word of the Lord came to him, and He said to him, “What are you doing here, Elijah?”

When Elijah heard it, he wrapped his face in his mantle and went out and stood in the entrance of the cave. And behold, a voice came to him and said, “What are you doing here, Elijah?”