Menthonnex-en-Bornes is located 17.4 km (10.8 mi) as the crow flies to the north of the departmental seat, the commune of Annecy.[3]
By road, the commune is about halfway between Geneva (33 km (21 mi)[4]) and Annecy (25.0 km (15.5 mi)[5]) on the plateau of Bornes. It is separated from the mountain Salève by the Les Usses river valley, which forms its western border. The southern border is defined by the stream Grand Verray.
Pronunciation
The final ex in Menthonnex is not pronounced; it should be read as Menthonné.