Ski Resorts
| Name | Location | Peak Altitude | Slope Difficulties |
|---|---|---|---|
| Oberiberg | Switzerland, Europe | 1355m | 2.2km0km0km |
| Oberjoch (Bad Hindelang) – Iseler | Germany, Europe | 1559m | 6km24km2km |
| Oberliezheim (Bissingen) | Germany, Europe | 520m | 0.2km0km0km |
| Oberndorf (Jossgrund) | Germany, Europe | 350m | 0.5km0km0km |
| Oberneukirchen | Austria, Europe | 753m | 0.4km0km0km |
| Obersalzberg | Germany, Europe | 945m | 2km1km0km |
| Obersaxen/Mundaun/Val Lumnezia | Switzerland, Europe | 2310m | 60km40km20km |
| Obersdorf (Bad Mitterndorf) | Austria, Europe | 820m | 0.2km0km0km |
| Oberstocken – Tieringen (Meßstetten) | Germany, Europe | 880m | 0.4km0km0km |
| Obertauern | Austria, Europe | 2313m | 61km35km4km |
| Obertilliach – Golzentipp | Austria, Europe | 2248m | 3.4km7.8km1km |
| Oberwald | Switzerland, Europe | 1404m | 0.2km0km0km |
| Oberwaldlifte – Faistenau | Austria, Europe | 875m | 0.8km0.3km0km |
| Oberwangen | Switzerland, Europe | 765m | 0.8km0km0km |
| Oberwilhams – Missen-Wilhams | Germany, Europe | 1040m | 3km0km0km |
| Oberzeiring (Pölstal) | Austria, Europe | 980m | 0.4km0km0km |
| Obidowa | Poland, Europe | 802m | 0.5km0km0km |
| Obiracho Boyodai | Japan, Asia | 0m | kmkmkm |
| Obudovica – Zlatibor | Serbia, Europe | 990m | 1.5km0km0km |
| Ochapowace | Canada, North America | 1372m | 5km3km2km |
| Ochodzita – Koniaków | Poland, Europe | 883m | 2km2.3km0km |
| Ochsengarten – Paternion | Austria, Europe | 595m | 0.3km0km0km |
| Ochsenkamp – Bad Fredeburg (Schmallenberg) | Germany, Europe | 700m | 0.5km0km0km |
| Ochsenkopf | Germany, Europe | 1024m | 2.4km2.3km0km |
| Oddsskarð | Iceland, Europe | 840m | 3km2km4km |
| Ödengrub – Kemnath bei Fuhrn/Schwarzenfeld | Germany, Europe | 512m | 0.9km0km0km |
| Oedberg – Gmund-Ostin | Germany, Europe | 970m | 1km1km0km |
| Oeschinensee – Kandersteg | Switzerland, Europe | 1730m | 4.1km8.9km0km |
| Ofotsuku – Omu | Japan, Asia | 0m | kmkmkm |
| Ofterschwang/Gunzesried – Ofterschwanger Horn | Germany, Europe | 1405m | 4.6km9.2km2.7km |
| Ogaya | Japan, Asia | 0m | kmkmkm |
| Oglebay Resort | USA, North America | 0m | 1km0km0km |
| Ogna Hotaka | Japan, Asia | 1828m | 5.4km7.2km5.4km |
| Ohau | New Zealand, Australia and Oceania | 1825m | 2km5km3km |
| Ohdai | Japan, Asia | 465m | kmkmkm |
| Oheyama | Japan, Asia | 0m | kmkmkm |
| Ohlstadt | Germany, Europe | 754m | 0.3km0km0km |
| Ohta Park | Northwest Russia, Russia | 100m | 2.5km0km0km |
| Oi-Qaragai – Lesnaya Skazka | Kazakhstan, Asia | 1820m | 8km4km1km |
| Oirase Keiryu Onsen | Japan, Asia | 487m | 1.6km0.5km0km |
| Ojiro | Japan, Asia | 900m | 2km3km1km |
| Ojiya Yamamotoyama Kogen | Japan, Asia | 0m | kmkmkm |
| Okemo | USA, North America | 1019m | 22km26km22km |
| Oketocho Minamigaoka | Japan, Asia | 0m | kmkmkm |
| Okoppe Choei | Japan, Asia | 0m | kmkmkm |
| Okrągla Górka – Kamianna | Poland, Europe | 660m | 1.8km0km0km |
| Okudaisen | Japan, Asia | 998m | kmkmkm |
| Okuibuki | Japan, Asia | 1250m | 2.4km3.2km1.4km |
| Oku Kannabe | Japan, Asia | 940m | 4km5km4km |
| Okunakayamakogen | Japan, Asia | 1018m | 5km3km3km |