Ski Pennsylvania's Blue Mountain on real 3D terrain. Catch the Comet Quad, then hover Challenge and Sidewinder, all from OpenStreetMap. Nightmare or Razor's Edge: which would you drop first? #maps #threejs

Which Banff run would you open first? Sunshine Coast, World Cup Downhill, then Bushwackers — OSM on real DEM. @SunshineVillage #skiing #OpenStreetMap

Ever skied a volcano? Mt. Bachelor on real 3D terrain. 101 named OpenStreetMap runs, like Wanoga Way and Avalanche. Which Pacific Northwest mountain should I spin next? #skiing #threejs

Les Deux Alpes in 3D: 96 named OpenStreetMap runs on real terrain. Hover Toura and Envers, then catch the Dôme Sud T-bar. Which French resort should I spin next? #ScreenshotSaturday #OpenStreetMap

Ski Boyne Mountain on real 3D terrain. Hover Glade, then ride Hemlock or Ramshead. Which Michigan hill should I spin next? #skiing #OpenStreetMap

Kicking Horse, BC: ~1,350 m of DEM relief, every mapped run in 3D. @KickingHorseMtn Hover Terminator and It's a Ten, then ride Golden Eagle Express. Which line first? #skiing #threejs

Park City, Utah: 344 named OpenStreetMap runs on real 3D terrain. Hover Blaster, High Card and Linelite, then ride Quicksilver Gondola or Red Pine Gondola. Which lift do you take first? #OpenStreetMap #skiing

Which Seven Springs run do you hit first? The whole Pennsylvania hill on real 3D terrain: hover Lost Girl Trail and Northwest Passage, then ride Giant Steps Lift. #skiing #OpenStreetMap

Vail, Colorado: ~1,180 m of DEM relief, every mapped run in 3D. @vailmtn Hover Grand Review, Cloud 9 and Sleepytime Road — then ride Eagle Bahn Gondola or Gondola One. Which bowl first? #skiing #threejs

Big White, BC from open data: 860 m of relief, every mapped run in 3D. Hover Dragon's Tongue, Red Hawk and Ridge Connector, then ride Gem Lake Express or Lara's Gondola. OpenStreetMap trails on a real elevation model. Which run should I fly down next? #threejs #cartography