The itinerary lasts 6hrs 30min, and has 2 steps, and it will cost 31 euros minimum.
Lyon - Nice
The step from Lyon to Nice lasts 4hrs 30min. You'll travel in a high-speed train from the company SNCF.
On board, you'll have access to: Wi-Fi, Drinks and snacks, Bike.
You can find tickets from 30 euros if you book 2 months in advance.
Nice - Auron
The step from Nice to Auron lasts 2hrs 00min. You'll travel in a bus from the company Lignes d'Azur.
You can find tickets from 1.5 euros.