Home›Valleys›Where›United StatesBrowse ByUnited StatesWhere groups geological formations by the place each one actually is. The Grand Canyon, Wikipedia notes, "is 277 miles (446 km) long, up to 18 miles (29 km) wide" and lies in Arizona, United States. Browsing by location lets a visitor see every formation standing in one part of the world.FactsUnited StatesSourcesComments (0)Reader Challenges (0)FactsComparisonFormation OriginWell-attestedA valley is an elongated low area often running between hills or mountains and typically containing a river or stream running from one end to the other. 1United StatesFilter Results57 entriesFormation FamilyAllValleys of North America (56)Valleys of South America (1)Formation TypeAllValleys of North America (56)Valleys of South America (1)Formed By (Process)AllErosion (49)Orogeny (1)Plate Tectonics (1)Sedimentation (1)Rock TypeAllSandstone (1)Protected StatusAllLocally or Regionally Protected (2)National Monument or Landmark (4)National Park or Reserve (6)Visitor AccessAllOpen (1)DisciplineAllGeomorphology (56)Show ResultsBrowseCompareSelect all 50Alder GulchUnited StatesAltar ValleyUnited StatesAmargosa ValleyUnited StatesAnderson ValleyUnited StatesAnimas ValleyUnited StatesAntelope Valley (Elko-White Pine Counties)United StatesBetween the HillsUnited StatesBitterroot ValleyUnited StatesBrazos ValleyUnited StatesBridgeport ValleyUnited StatesCades CoveUnited StatesCanaan ValleyUnited StatesCapay ValleyUnited StatesCedar Valley (Iron County, Utah)United StatesCentral Valley (California)United StatesChamplain ValleyUnited StatesChili GulchUnited StatesChimney Rock, NebraskaUnited StatesChippewa ValleyUnited StatesConejo ValleyUnited StatesCumberland ValleyUnited StatesDeep Creek ValleyUnited StatesFarmington ValleyUnited StatesFox Valley (Illinois River)United StatesFrench ValleyUnited StatesGila River ValleyUnited StatesGrand CouleeUnited StatesHayden ValleyUnited StatesHetch HetchyUnited StatesHolcomb ValleyUnited StatesHonopū ValleyUnited StatesHoopa ValleyUnited StatesHudson ValleyUnited StatesIao ValleyUnited StatesKittatinny ValleyUnited StatesLehigh ValleyUnited StatesMiami ValleyUnited StatesMission Valley, San DiegoUnited StatesMohawk ValleyUnited StatesMonument ValleyUnited StatesPololū ValleyUnited StatesPomona ValleyUnited StatesRed River ValleyUnited StatesSalinas ValleyUnited StatesSan Fernando ValleyUnited StatesSan Joaquin ValleyUnited StatesSanta Clarita ValleyUnited StatesSanta Ynez ValleyUnited StatesScott ValleyUnited StatesShark ValleyUnited StatesShowing 1 to 50 of 57, page 1 of 2.12Next →Sources1. Wikipedia: Valleytier 2WikipediaValley, lead sentenceQuote, Valley, lead sentenceA valley is an elongated low area often running between hills or mountains and typically containing a river or stream running from one end to the other.View the SourceComments (0)No comments yet. Be the first to share a thought.Sign in to join the discussion.Reader Challenges (0)No disputes yet. Spotted an error or a better source? Open the first one.Sign in to dispute this or suggest a correction.