Mount St. Hilary

Mount St. Hilary is famous for being the place where the Ark crashed on Earth...sometimes.

History
The Ark crashed to Earth, smashing into a volcano. Blackarachnia and Silverwing dug into the side of the volcano, finding the cavern containing the Ark. The Predacon leader Gigatron had discovered its location, and subsequently, he infiltrated the Ark, severely damaged the stasis locked Optimus Prime, and unleashed a time storm centered on the volcano. After stabilising the Autobot leader, the Maximals installed the remains of their ship in the cavern, using it as their base.

After Gigatron located and reactivated the Nemesis, he used the warship's tractor beams to pull off chunks of the volcano, exposing the Ark's rear section. There it rested until a volcanic eruption four million years later reactivated it and its inhabitants.