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GEOGRAPHICAL FEATURES September 2011 IMPORTANT GEOGRAPHICAL FEATURES Ocean A large body of water. Gulf A large part of the ocean that extends to land. IMPORTANT GEOGRAPHICAL FEATURES Coral reef An ocean ridge made up of skeletal remains of many sea animals. Peninsula An area of land that sticks out into an ocean or lake. IMPORTANT GEOGRAPHICAL FEATURES Isthmus A narrow piece of land connecting two larger land areas. Island An area of land surrounded by water. IMPORTANT GEOGRAPHICAL FEATURES Delta An area where a river deposits soil in to the ocean. Bay Part of a large body of water that is smaller than a gulf. IMPORTANT GEOGRAPHICAL FEATURES Strait A narrow body of water connecting two larger bodies of water. Wetland An area of land covered by shallow water. IMPORTANT GEOGRAPHICAL FEATURES Sinkhole A circular depression caused when the roof of a cave collapses. River A natural flow of water that runs through land. IMPORTANT GEOLOGICAL FEATURES Lake An inland body of water. Forest An area of densely wooded land. IMPORTANT GEOLOGICAL FEATURES Coast An area of land near the ocean. Plain A nearly flat land. IMPORTANT GEOLOGICAL FEATURES Volcano An opening in the Earth’s crust where lava, ash and gasses erupt. Canyon A deep, narrow valley with steep walls. IMPORTANT GEOLOGICAL FEATURES Mountain An area of rugged land that generally rises higher than 2,000 feet. Glacier A large area of slow-moving ice. IMPORTANT GEOLOGICAL FEATURES Hill A rounded, elevated area of land smaller than a mountain. Valley An area of low land between hills and mountains. IMPORTANT GEOLOGICAL FEATURES Dune A hill of sand shaped by wind. Plateau A large, flat, elevated area of land. IMPORTANT GEOLOGICAL FEATURES Dessert An extremely dry area with little water and a few plants. Oasis An area of dessert with a water source.