What Jambalaya said. but also here’s a link to the chamonixbikeblog post with lots of the 2017 north west alps summer lift opening dates, and links to the lift websites: http://www.chamonixbikeblog.com/2017/turning-over/
I put that post up in April last year and you’ll notice most of the areas are just estimated dates, I’ll put another post up this year about the same time and no doubt it’ll be the same however in the mean time you can work from these dates and it won’t change too much. Bear in mind we’re having a normal* winter in the alps this year after a few fairly dry years so there’ll likely be more snow kicking about up high this June.
*normal as in 30 year average normal, not post invention of social media and folk getting surprised at it snowing in the alps in winter normal. #grumpy #bitter #old #man 🙂