Indoor skiing is done in a climate-controlled environment with snowmaking. This enables skiing and snowboarding to take place regardless of outdoor temperatures. Facilities for both alpine skiing and nordic skiing are available.
Indoor skiing Wikipedia
Tunnel under construction in Planica, Slovenia will be opened in June 2016.
ChinaYinqixing indoor skiing, Shanghai
FranceSnowHall, SnowHall Amnéville, France
GermanyalpinCenter Bottrop in the SnowFunPark in Wittenburg with a 640 m slope and a 31 percent grade.
SnowDome Bispingen, Bispingen.
JapanSayama ski resort, Tokorozawa
LithuaniaSnow Arena, Druskininkai
NetherlandsSnowWorld, Landgraaf with a total of 35,000 m² of snow. In 2003, the first indoor snowboard FIS WorldCup contest was held here.
De Uithof, Den Haag
RussiaSnej, Moscow. www.snej.com
SpainSnowZone, in Madrid, has 18.000 square meters of snow areas, including a 250-meters slope (over 25%, 50 meter wide) and a 100-meters long (40 meters wide), chairlifts, and other winter sports facilities.
United_Arab_EmiratesSki_Dubai, Mall of the Emirates, Dubai.
United_KingdomChill Factore, 4 miles outside Manchester, with a 180m long main slope.
Snowzone Castleford, near Leeds with a 170m long main slope.
Snowzone, near Milton Keynes with a 170m long main slope.
Snowdome at Tamworth, near Birmingham with a 170m long slope and 2 smaller beginner areas - 25m and 30m long.
Snow Centre at Haywards Heath
The first indoor ski slope, "Schneepalast" (German for snow palace) operated from 26th November 1927 to May 1928 in Vienna in an abandoned railway station, the Nordwestbahnhof. The snow was made of soda. The world's first commercial indoor ski slope operated from 1987 to 2005 at Mount Thebarton, in Adelaide, South Australia.