Triangular-shaped land found at the mouth of some large rivers

A body of land surrounded by water

Ocean streams that are propelled by prevailing winds and earth rotation

A circular coral or sand island that encloses a lagoon

A point of land extending into the sea. It is usually smaller than a peninsula.

A small body of water separated from the larger sea by a barrier of sand or coral reefs

A mass of land almost entirely surrounded by water. It is usually connected to the mainland by a narrow neck

A narrow, low ridge of rock, or more commonly of coral, that is connected to a coast or lies off a coast

A narrow strip of land, with water on both sides, that connects two larger land masses

A body of water that penetrates a coastline. It is generally wider in the middle.

An ocean inlet that merges with the mouth of a river

Upper river springs, streams, and tributaries

A part of an ocean or sea that is partially enclosed by a curving coastline

A narrow passage of water connecting two larger bodies of water

A deep, narrow depression in the earth's surface, often having a river running through it

A narrow, winding ocean inlet the penetrates a coastal mountain range.

A tall, flat-topped mountain with steep vertical sides

A broad expanse of generally high and flat land

A river of ice, moving slowly down a mountain slope or outward from its central mass