Grotto Hills

Grotto Hills is a range of hills in the Lanfair Valley of San Bernardino County, California. Its tallest summit is at 4,892 feet / 1,491 meters.^[1]

References

35°05′34″N 115°09′40″W / 35.09278°N 115.16111°W / 35.09278; -115.16111

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Municipalities and communities of San Bernardino County, California, United States

County seat: San Bernardino

Cities and towns

• Adelanto
• Apple Valley
• Barstow
• Big Bear Lake
• Chino
• Chino Hills
• Colton
• Fontana
• Grand Terrace
• Hesperia
• Highland
• Loma Linda
• Montclair
• Needles
• Ontario
• Rancho Cucamonga
• Redlands
• Rialto
• San Bernardino
• Twentynine Palms
• Upland
• Victorville
• Yucaipa
• Yucca Valley

CDPs

• Baker
• Big Bear City
• Big River
• Bloomington
• Bluewater
• Crestline
• Fort Irwin
• Homestead Valley
• Joshua Tree
• Lake Arrowhead
• Lenwood
• Lucerne Valley
• Lytle Creek
• Mentone
• Morongo Valley
• Mountain View Acres
• Muscoy
• Oak Glen
• Oak Hills
• Phelan
• Piñon Hills
• Running Springs
• San Antonio Heights
• Searles Valley
• Sleepy Hollow
• Silver Lakes
• Spring Valley Lake
• Wrightwood
• Yermo

Unincorporated
communities

• Alta Loma
• Amboy
• Angelus Oaks
• Argus
• Arrowhead Highlands
• Arrowbear Lake
• Arrowhead Farms
• Baldy Mesa
• Basin
• Bell Mountain
• Blue Jay
• Bryman
• Cadiz
• Cajon Junction
• Cedar Glen
• Cedarpines Park
• Chase
• Cima
• Crafton
• Crest Park
• Cushenbury
• Daggett
• Danby
• Declezville
• Devore
• Devore Heights
• Dunn
• Earp
• El Mirage
• Essex
• Etiwanda
• Fawnskin
• Fenner
• Flynn
• Forest Falls
• Goffs
• Green Valley Lake
• Guasti
• Halloran Springs
• Harvard
• Havasu Lake
• Helendale
• Hinkley
• Hodge
• Homer
• Ibis
• Ivanpah
• Johnson Valley
• Kerens
• Kramer
• Kramer Hills
• La Delta
• Landers
• Ludlow
• Kelso
• Mars
• Mojave Heights
• Mount Baldy
• Mountain Home Village
• Mountain Pass
• Newberry Springs
• Nipton
• Oro Grande
• Parker Dam
• Patton
• Pioneer Point
• Pioneertown
• Red Mountain
• Rimforest
• Skyforest
• Sugarloaf
• Sunfair
• Sunfair Heights
• Trona
• Twin Peaks
• Venus
• Vidal
• Vidal Junction
• Wonder Valley
• Zzyzx

Indian
reservations

• Chemehuevi Reservation
• Fort Mojave Indian Reservation‡
• San Manuel Reservation
• Twenty-Nine Palms Reservation
• Colorado River Indian Tribes‡

Ghost towns

• Afton
• Agua Mansa
• Atolia
• Bagdad
• Barnwell
• Beal
• Belleville
• Calico
• Calzona
• Chambless
• Crucero
• Hart
• Ivanpah
• Kelso
• Lanfair
• Milligan
• Olive City
• Pasinogna
• Politana
• Prado
• Providence
• Ragtown
• Rice
• Rincon
• Seventeen Mile Point
• Siberia
• Silver Lake
• Vanderbilt

Footnotes

‡This populated place also has portions in an adjacent county or counties

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