Ezekiel 6:13
"Then shall ye know that I am the LORD, when their slain men shall be among their idols round about their altars, upon every high hill, in all the tops of the mountains, and under every green tree, and under every thick oak, the place where they did offer sweet savour to all their idols."
Cross References (ranked by relevance)
For when I had brought them into the land, for the which I lifted up mine hand to give it to them, then they saw every high hill, and all the thick trees, and they offered there their sacrifices, and there they presented the provocation of their offering: there also they made their sweet savour, and poured out there their drink offerings.
They sacrifice upon the tops of the mountains, and burn incense upon the hills, under oaks and poplars and elms, because the shadow thereof is good: therefore your daughters shall commit whoredom, and your spouses shall commit adultery.
For they also built them high places, and images, and groves, on every high hill, and under every green tree.
For of old time I have broken thy yoke, and burst thy bands; and thou saidst, I will not transgress; when upon every high hill and under every green tree thou wanderest, playing the harlot.
And he sacrificed and burnt incense in the high places, and on the hills, and under every green tree.
For they shall be ashamed of the oaks which ye have desired, and ye shall be confounded for the gardens that ye have chosen.
The LORD said also unto me in the days of Josiah the king, Hast thou seen that which backsliding Israel hath done? she is gone up upon every high mountain and under every green tree, and there hath played the harlot.
Now therefore, O LORD our God, save us from his hand, that all the kingdoms of the earth may know that thou art the LORD, even thou only.
They that sanctify themselves, and purify themselves in the gardens behind one tree in the midst, eating swine’s flesh, and the abomination, and the mouse, shall be consumed together, saith the LORD.