Directions from Nice Cote D'Azur Airport
Terminal one take the shuttle ( Navette) to Terminal2,
Pick up a hire car and head for N202 in the general direction of Digne and Grenoble,
Follow N202 due north from the airport, then due west past the villages of Puget-Theniers, Entrevaux and Annot. When you reach the Lac Castillion follow the D955 to St Andre Les Alps. From the town centre pick up the D908 towards Colmars and finally Allos.
The drive is roughly 125 kilometres and should take around 2 hours, passing through some fantastic scenery.