Canon:Yehimal Mountains

The Yehimal Mountains, also known as the World Pillar Mountains/Jibal al-Akbas in Zakhara or Wu Pi Te Shao in Kara-Tur, is the largest mountain range, the “Roof of the World” of the world of Toril. They form the primary barrier between Faerûn, Kara-Tur, and Zakhara.