Chamonix has plenty of activities to keep children of all ages entertained! This list is far from exhaustive, but it will give you some ideas of great activities you and the kids can enjoy!
Be sure to visit the nature reserves and zoos, animals are usually quite popular. The Library of Chamonix (Bibliothèque) has a great kids corner with over 16,000 children and youth works. Details on opening hours: +33 (0)4 50 53 34 82.
You can also take a tour down in Sallanches and visit the Mountain Nature Center. Chamonix valley sights and here for day trips further afield, some are specifically oriented towards children.
In the summer, you'll want to check out water sports, some of which can be done by kids as young as 10. Want to try something a little different? Check out these adventure tour providers. The Chamonix sports centre is great for a nice swim.
For parents that need a break, there are some companies in Chamonix that provide a creche services. Also, if you want to throw a party, there are Party Organisers, Bouncy Castle suppliers and other Equipment Rental companies, in based locally in the Chamonix Valley. Both the Chamonix and Argentière Tourist Offices have lists of authorised babysitters. Contact them here.