 Percé Rock (or "Rocher Percé"), an island pierced by a natural arch, is located just offshore of the peninsula's eastern end.The peninsula's interior is a rugged northward continuation of the Appalachian Mountains called the Chic-Chocs, with Mont Jacques-Cartier at the peninsula's highest peak.Mount Albert (Mont Albert) at  is another high mountain in the Chic-Chocs.