2018 Map of San Miguel Island East

About this map

Channel Islands National Park occupies the rugged eastern extremity of San Miguel Island in this 2018 topographic survey. The landscape is defined by the stark isolation of the island as it meets the Pacific Ocean, with sharp elevation contours illustrating the steep sea cliffs and ridgelines characteristic of this protected marine environment. The lack of roads or established settlements on the sheet reflects the preservation status of the area, which is managed by the U.S. Geological Survey and other federal agencies. Researchers can trace the fine coastal topography and the distinct boundary lines that delineate this national treasure from the surrounding open waters, offering a clear record of the island's geography before recent climatic shifts and coastal erosion might alter these prehistoric landforms.