The National Ski Areas Association has compiled this chronology of 354 American ski resorts.
Howelsen Hill Ski Area CO 1915
Eaglebrook School MA 1922
Granlibakken Ski Area CA 1927
Cooper Spur Mountain Resort OR 1927
Mt. Hood Skibowl OR 1928
Seven Springs Mountain Resort PA 1932
Bousquet Ski Area MA 1932
Wildcat Mountain Ski Area & Summer Gondola NH 1933
Stowe Mountain Resort VT 1934
Gore Mountain NY 1934
Pico Mountain VT 1934
Soda Springs Ski Area CA 1935
Lookout Pass Ski Area ID 1935
Black Mountain Ski Area NH 1935
DNC Parks & Resorts at Yosemite, Inc. CA 1935
Bromley Mountain Resort VT 1936
Brighton Ski Resort UT 1936
Showdown Montana MT 1936
Terry Peak Ski Area SD 1936
Blandford Ski Area MA 1936
Sun Valley Resort ID 1936
Beaver Mountain Ski Area UT 1936
Sleeping Giant Ski Area WY 1936
Mount Peter Ski Area NY 1936
Timberline Lodge & Ski Area OR 1937
The Summit At Snoqualmie WA 1937
Snow Valley Mountain Resort CA 1937
Loveland Ski Area CO 1937
Sandia Peak Ski Area NM 1937
Stevens Pass WA 1937
Gunstock Mountain Resort NH 1937
Mountain High Resort CA 1937
Suicide Six Ski Area VT 1937
Granite Peak at Rib Mountain State Park WI 1937
Mt. Zion MI 1937
Cranmore Mountain Resort NH 1937
Caberfae Peaks MI 1937
Hoodoo Ski Area OR 1938
Alta Ski Area UT 1938
Pine Mountain MI 1938
Cannon Mountain NH 1938
Shawnee Peak Ski Area ME 1938
Arizona Snowbowl AZ 1938
Wilmot Mountain WI 1938
Lost Trail Ski Area, Inc. MT 1938
Abenaki Ski Area NH 1938
Mt. Spokane Ski & Snowboard Park WA 1938
Sugar Bowl Resort CA 1939
Monarch Mountain CO 1939
Middlebury College Snow Bowl VT 1939
Ski Ward Ski Area MA 1939
Snow King Resort WY 1939
Otsego Ski Club MI 1939
Catamount Ski Area NY 1939
Camden Snow Bowl ME 1939
Mount Waterman CA 1939
Winter Park Resort CO 1940
Snowbasin Resort Co. UT 1941
Willamette Pass Resort OR 1941
Ski Cooper CO 1942
Pajarito Mountain Ski Area NM 1944
Snowhaven ID 1944
Mt. Lemmon Ski Valley AZ 1945
Anthony Lakes OR 1945
Snow Ridge Ski Resort NY 1945
Sky Tavern NV 1945
Bear Mountain Resort CA 1946
Arapahoe Basin CO 1946
Otis Ridge MA 1946
Aspen Mountain CO 1947
Boyne Mountain Resort MI 1947
Ski Santa Fe NM 1947
Mohawk Mountain Ski Area CT 1947
Big Boulder Ski Area PA 1947
Whitefish Mountain Resort MT 1947
Swain Resort NY 1947
Jiminy Peak Mountain Resort MA 1948
Mount Sunapee Resort NH 1948
Bradford Ski Area MA 1948
Mad River Glen VT 1948
Mont Du Lac Recreation WI 1948
Lutsen Mountains MN 1948
Soldier Mountain Ski Area ID 1948
Oak Mountain NY 1948
Squaw Valley Resort, LLC CA 1949
Snow Snake Ski & Golf MI 1949
Buena Vista Ski Area MN 1949
Mt. Holiday Ski & Recreation Area MI 1949
Pebble Creek Ski Area ID 1949
Belleayre Mountain NY 1949
Dodge Ridge Wintersports Area CA 1950
Trollhaugen Winter Recreation Area WI 1950
Hillberg Ski Area AK 1950
Sugarloaf ME 1951
Snow Summit Mountain Resort CA 1952
Sipapu Ski & Summer Resort NM 1952
Mt. Baldy Ski Lifts, Inc. CA 1952
Oglebay Resort WV 1952
White Pass Ski Area WA 1953
Donner Ski Ranch CA 1953
Mt. Baker WA 1953
Mount Snow Resort VT 1954
Buck Hill MN 1954
Taos Ski Valley, Inc. NM 1955
Mammoth CA 1955
Heavenly Mountain Resort NV 1955
Okemo Mountain Resort VT 1955
Hidden Valley Resort PA 1955
Bridger Bowl Ski Area MT 1955
Jay Peak Ski Resort VT 1955
Smugglers’ Notch Resort VT 1956
Crystal Mountain MI 1956
Dartmouth Skiway NH 1956
Burke Mountain Ski Area VT 1956
Mt. Holly Ski Resort, Inc. MI 1956
Wisp Resort MD 1956
Ski Brule MI 1956
Holiday Valley Resort NY 1957
Holiday Mountain Ski Area NY 1957
Greek Peak Mountain Resort NY 1957
Solitude Mountain Resort UT 1957
Aspen Highlands CO 1958
Buttermilk CO 1958
Killington Resort VT 1958
Whiteface NY 1958
Mt. Bachelor, Inc. OR 1958
Sugarbush Resort VT 1958
Tyrol Basin Ski & Snowboard Area WI 1958
Nub’s Nob Ski Area MI 1958
China Peak Mountain Resort CA 1958
Loup Loup Ski Area WA 1958
Hurricane Ridge Ski Area WA 1958
Plattekill Mountain NY 1958
The Homestead Ski Area VA 1959
Chestnut Mountain Resort IL 1959
Sunday River Ski Resort ME 1959
Mt. La Crosse WI 1959
Red River Ski Area, Inc. NM 1959
Elk Mountain Ski Resort, Inc. PA 1959
Indianhead Mountain MI 1959
Hunter Mountain NY 1959
McCauley Mtn. Ski Center NY 1959
Alyeska Resort AK 1959
Thunder Ridge Ski Area NY 1959
Magic Mountain Ski Area VT 1959
Snowy Range Ski & Recreation Area WY 1959
Hyland Ski and Snowboard Area MN 1959
Big Rock Mountain ME 1959
Windham Mountain NY 1960
Saddleback Maine ME 1960
Mt. Abram Resort ME 1960
Red Lodge Mountain Resort MT 1960
Black Mountain of Maine ME 1960
Snow Trails OH 1961
Breckenridge Ski Resort CO 1961
Alpine Meadows Ski Resort CA 1961
Lost Valley Ski Area ME 1961
Cataloochee Ski Area NC 1961
Brundage Mountain Resort ID 1961
Hogadon Ski Area WY 1961
Mt. Crescent Ski Area IA 1961
Timber Ridge Ski Area MI 1961
Montana Snowbowl MT 1961
Ski Apache Resort NM 1961
Crested Butte Mountain Resort CO 1962
King Pine Ski Area NH 1962
Stratton VT 1962
Vail Mountain CO 1962
Crystal Mountain, Inc. WA 1962
Eldora Mountain Resort CO 1962
Ober Gatlinburg Ski Resort TN 1962
Appalachian Ski Mtn. NC 1962
Powder Ridge Ski Area MN 1962
Homewood Mountain Resort CA 1962
Cascade Mountain WI 1962
Mad River Mountain OH 1962
Alpine Valley Ski Area MI 1962
Wachusett Mountain Ski Area MA 1962
Ski Gull, Inc. MN 1962
Song Mountain Resort NY 1962
HoliMont Ski Area NY 1962
Alpine Valley Ski Area OH 1962
Steamboat Ski & Resort CO 1963
Boston Mills/Brandywine Ski Resort OH 1963
Camelback Mountain Resort PA 1963
Park City Mountain Resort UT 1963
Schweitzer Mountain Resort ID 1963
Afton Alps Ski Area MN 1963
Pomerelle Mountain Resort ID 1963
Ski Butternut MA 1963
Las Vegas Ski & Snowboard Resort NV 1963
Alpine Valley Resort WI 1963
Grand Geneva Resort WI 1963
Clear Fork Resort OH 1963
Pats Peak NH 1963
Big Horn Ski Resort WY 1963
Elk Ridge Ski & Outdoor Recreation Area AZ 1963
Blue Knob PA 1963
Arrowhead Recreation Area NH 1963
Boyne Highlands Resort MI 1964
Boreal Mountain Resort CA 1964
Hermitage Club @ Haystack VT 1964
Ragged Mountain Resort NH 1964
Attitash Mountain Resort NH 1964
Peek ‘n Peak Resort NY 1964
Roundtop Mountain Resort PA 1964
Bristol Mountain Winter Resort NY 1964
Mt. Rose – Ski Tahoe NV 1964
Hawksnest Resort NC 1964
Mount Southington Ski Area CT 1964
Nashoba Valley Ski Area MA 1964
Sapphire Valley Ski Area NC 1964
Mt. Ashland OR 1964
Yawgoo Valley Ski Area & Water Park RI 1964
Durango Mountain Resort CO 1965
Welch Village Ski Area, Inc. MN 1965
Liberty Mountain Resort PA 1965
Bryce Resort VA 1965
Brian Head Resort UT 1965
Cannonsburg Ski Area MI 1965
Boyce Park Ski Area/Snow Tubing Area PA 1965
Lake City Ski Hill CO 1965
Mountain Creek NJ 1965
Sugarcreek Ski Hills OH 1965
Loon Mountain Recreation Corp. NH 1966
Waterville Valley Resort NH 1966
Diamond Peak Ski Resort NV 1966
Jackson Hole Mountain Resort WY 1966
Balsams Wilderness NH 1966
Angel Fire Resort NM 1966
Hunt Hollow Ski Area NY 1966
Mission Ridge Ski & Board Resort WA 1966
Bolton Valley VT 1966
Villa Olivia Ski Area IL 1966
Apple Mountain MI 1966
Sunlight Mountain Resort CO 1966
Powderhorn Resort CO 1966
Campgaw Mountain Ski Area NJ 1966
Snowmass CO 1967
Mt. Hood Meadows Ski Resort OR 1967
Bear Valley Mountain CA 1967
Beech Mountain Resort NC 1967
Sierra-at-Tahoe Snowsports Resort CA 1968
Silver Mountain Ski and Year Round Waterpark Resort! ID 1968
Swiss Valley Ski & Board Area MI 1968
Canyons Resort UT 1968
Shanty Creek Resorts MI 1969
Sugar Mountain Ski Area NC 1969
Ski Sundown CT 1969
Grand Targhee Resort WY 1969
Bear Creek Mountain Resort PA 1969
Ski Sawmill Family Resort PA 1969
Wolf Ridge Ski Resort NC 1969
Proctor Ski Area NH 1969
Great Bear Ski Valley SD 1969
Sundance UT 1969
Keystone Resort CO 1970
Ausblick Ski Area WI 1970
Sunrise Park Resort AZ 1970
Christmas Mountain Village WI 1970
Wolf Mountain Ski Resort LLC UT 1970
Mystic Miner Ski Resort SD 1970
Royal Gorge Cross Country Ski Resort CA 1971
Canaan Valley Resort WV 1971
Devil’s Head Resort & Convention Center WI 1971
Snowbird Ski & Summer Resort UT 1971
49 Degrees North Mountain Resort WA 1971
Cloudmont Ski & Golf AL 1971
Quechee Ski Area VT 1971
McIntyre Ski Area NH 1971
Mount Pleasant of Edinboro PA 1971
Copper Mountain Resort CO 1972
Northstar California CA 1972
Tahoe Donner Ski Area CA 1972
Kirkwood Mountain Resort CA 1972
Telluride Ski & Golf Resort CO 1972
Jack Frost Mountain PA 1972
Wild Mountain MN 1972
Powder Mountain UT 1972
Highlands of Olympia WI 1972
Eastman Cross Country NH 1972
Woodbury Ski Area CT 1972
Massanutten Ski Resort VA 1973
Bretton Woods Ski Area NH 1973
Discovery Ski Area MT 1973
Sundown Mountain Ski and Snowboard Resort IA 1974
Spirit Mountain Recreation Area MN 1974
Snowshoe WV 1974
Big Sky Resort MT 1974
Mt. Eyak Ski Area AK 1974
Pocono Ranch Lands Property Owners PA 1974
Wintergreen Resort VA 1975
Shawnee Mountain Ski Area PA 1975
The Hidden Valley Club NJ 1975
Mount Lakeridge Ski & Board Center CT 1975
Eaglecrest Ski Area AK 1976
Alta Sierra Ski Resort & Terrain Park CA 1976
Nordic Mountain Ski Area WI 1976
Ski Big Bear PA 1976
Frost Fire Ski & Snowboard Area ND 1976
Blue Mountain Ski Area PA 1977
Paoli Peaks, Inc. IN 1978
Mount Kato Ski Area MN 1978
Beaver Creek Resort CO 1980
Titus Mountain Family Ski Center, LLC NY 1980
Tussey Mountain Ski Area PA 1981
Andes Tower Hills, Inc. MN 1981
Ski Bluewood WA 1981
Ski Snowstar Winter Sports Park IL 1981
Perfect North Slopes IN 1981
Deer Valley Resort Company UT 1981
Fernwood Resort and C.C. PA 1981
Ski Granby Ranch CO 1982
Triple M-Mystical Mountain NM 1982
Hidden Valley Ski Area MO 1982
Timberline Four Seasons Resort WV 1983
Winterplace Ski Resort WV 1983
The Homestead MI 1983
Hilltop Ski Area AK 1983
Giants Ridge Golf & Ski Resort MN 1984
Alpine Mountain Ski & Ride Center PA 1984
SNO Mountain PA 1984
Sunburst Ski Area WI 1985
Mt. Shasta Ski Park CA 1985
The Rock Ski & Snowboard Park WI 1986
Snow Creek Ski Area MO 1987
Whitetail Resort PA 1991
Huff Hills Ski Area ND 1991
Polar Peak Ski Bowl NY 1991
Mystic Mountain/Nemacolin Woodlands PA 1995
Eagle Rock Ski Area PA 1997
Sleepy Hollow Sports Park, Inc. IA 1997
Yellowstone Mountain Club MT 1997
Double H Ranch NY 1998
Mount Bohemia MI 2000
Deer Crest Home Owners Association Private Trails UT 2000
Bear Creek Mountain Club VT 2001
Silverton Mountain CO 2001
Moonlight Basin MT 2003
Granite Gorge Ski Area NH 2003
Crotched Mountain Ski & Ride NH 2003
Tamarack Resort ID 2004
Tuxedo Ridge Ski Center at Sterling Forest NY 2007
Liberty Mountain SnowFlex Centre VA 2009
“Xanadu SnowPark
c/o Select Contracts” NJ 2010
Eagle Point Resort UT 2010
Hawk Island Snow Park MI 2011
Whitetail Ridge Ski Area WI
Teton Pass Ski Area MT
Maple Ski Ridge NY
Saw Creek Estates Community Association, Inc. PA
Angeles Crest Resorts CA
Snow Mountain Ranch CO
Frisco Adventure Park CO
“Tubes “”R”" Us
Cisco Grove & Kingvale” CA
Theodore Wirth Winter Recreation Area MN