Every autumn, cows are celebrated like queens during the descent from alpine pastures back to the valley. They get flower crowns, velvet harnesses, full-on Instagram-ready outfits. Locals throw parties. There’s cheese. There’s wine. It’s basically Coachella but for cows.

Whether you're taking the scenic train to Jungfraujoch, the rotating cable car up to Titlis, or enjoying the breathtaking views from Gornergrat near Zermatt, the mountains are truly awe-inspiring. But as the altitude increases, so does the chance of experiencing altitude sickness, even on a short visit. Here's what every day-tripper should know before heading up.