Near Water
Near the Sea
Land
Altitude Change
100

A large stream of water flowing in a channel on land toward the ocean, a lake, or another river, larger than brook

RIVER

100

narrow ridge of fine particles of stone created by the current or tide

Sandbar

100

An extensive tract of land, mostly level, destitute of trees, and covered with tall, coarse grass

PRAIRIE

100

A long or continued range of hills or mountains, the upper part of such a range

Ridge

200

A place where water is collected and kept for use when wanted

Reservoir


200

A chain or range of rocks lying at or near the surface of the water.

REEF

200

Small fertile area in a desert, irrigated by natural springs or other source of fresh water

Oasis

200

A line of connected mountain ranges

Mountain Chain

300

A fast moving river current caused by a moderate descent

RAPIDS

300

a portion of land connected with a continent by a narrow neck or isthmus but nearly surrounded with water

Peninsula

300

Flat section of land higher than the surrounding area

PLATEAU

300

the top of a hill or mountain, ending in a point

PEAK

400

a tract of land overrun with heath; a marsh; a fen; ground covered with stagnant water

MOOR

400

A structure constructed perpendicular to the harbor for securing vessels and receiving goods unladen or to be shipped on board

PIER

400

Large area of flat land

PLAIN


400

The bottom of a mountain

PIEDMONT

500

A small collection of water in a hollow place, supplied by a spring and discharging its surplus water by an outlet, smaller than a lake

POOL

500

A small cape, headland, or promontory; a tract of land extending into the sea

POINT

500

An extensive open plain or meadow; a plain destitute of trees

Savanna


500

A gap in a mountainous area suitable for passing through; a means of passage through a rugged area

PASS