That looks a lot like Niesen in the background, the first high ground you see going south on the Bern–Lötschberg–Simplon.
Maybe Emdthal between Spiez and Reichenbach
https://goo.gl/maps/nrD155RETCLW2VFP7
The background is pretty much uniformly high from there on into the Rhône valley, where the forest looks sparser, more Mediterranean.