Rock of the Three Kingdoms
Spain · Europe

About
The Rock of the Three Kingdoms (Portuguese: Penedo dos Três Reinos) is a mountain of 1025 m of elevation in the Serra de Marabón (Spanish: Sierra del Marabón), part of the mountainous system of Sierra de la Culebra (Portuguese: Serra da Coroa).
Adapted from Wikipedia (CC BY-SA)。Photography via Wikimedia Commons.