Yavin 4 is a forest moon circling the planet Yavin in the Yavin System. Other moons are Yavin 8, Yavin 13, and Yavin 7. Yavin 4 is a forest moon. Massassi temples located on Yavin 4. Yavin 4 was where the Sith War may have started, the Rebel Base was located there, and Luke Skywalkers Jedi Academy is located on Yavin 4.