If you live in a valley, you probably get more fog than they do up in the hills around you. Fog tends to be more common down in the valley, the low area that often forms near a river.

If you're into fishing, swimming, and tubing, then a valley is the place for you, because valleys usually have rivers or other streams running through them. The Napa Valley is an area in northern California that is famous for its good wine and food, though technically it's not all a valley; parts of it are quite hilly. Another famous valley, the San Fernando, lies at the foot of the hills of Los Angeles. You might have heard of the infamous "Valley Girl." In movies, Valley girls are usually blonde and say "like" and "totally" a lot. "Like, oh, my God! That low, flat stretch of terrain, is like, totally a valley!"

Definitions of valley
  1. noun
    a long depression in the surface of the land that usually contains a river
    synonyms: vale
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    a valley in southeastern Greece where the Nemean Games were held
    Loire Valley
    the valley of the Loire River where many French wines originated
    San Fernando Valley
    a fertile valley in southern California to the north of Los Angeles; includes many residential communities
    San Joaquin Valley
    a vast valley in central California known for its rich farmland
    Shenandoah Valley
    a large valley between the Allegheny Mountains and the Blue Ridge Mountains in northern Virginia; site of numerous battles during the American Civil War
    Cataract Canyon
    a tributary of the Grand Canyon
    Grand Canyon
    the enormous gorge of the Colorado River in northern Arizona
    Great Rift Valley
    ( geology) a depression in southwestern Asia and eastern Africa; extends from the valley of the Jordan River to Mozambique; marked by geological faults
    Olduvai Gorge
    a gorge in northeastern Tanzania where anthropologists have found some of the earliest human remains
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    an open river valley (in a hilly area)
    a narrow secluded valley (in the mountains)
    deep ditch cut by running water (especially after a prolonged downpour)
    holler, hollow
    a small valley between mountains
    a ravine or gully in southern Asia
    a deep narrow steep-sided valley (especially one formed by running water)
    rift valley
    a valley with steep sides; formed by a rift in the earth's crust
    a stream or brook
    canon, canyon
    a ravine formed by a river in an area with little rainfall
    dell, dingle
    a small wooded hollow
    a gully that is shallower than a ravine
    a deep ravine (usually with a river running through it)
    gully or streambed in northern Africa and the Middle East that remains dry except during rainy season
    type of:
    depression, natural depression
    a sunken or depressed geological formation
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