Location: France

The Mer de Glace, at around 7 km long, is the largest glacier in France, reached by the historic cog railway to Montenvers with an ice cave. Highlights: largest glacier in France…

Thanks to strict protection since the 1960s, Lac d'Annecy is one of the cleanest lakes in Europe, with the picturesque old town of Annecy. Highlights: very clear, clean bathing water, old town…