Beaufort is located some 50 km north-east ofGrenoble and 8 km east ofBeaurepaire. Access to the commune is by the D73 road which changes to the D519D then the D519 fromLapeyrouse-Mornay in the east which passes through the commune north of the village and continues east, changing again to the D519, toMarcilloles. Access to the village is by the D73C which branches from the D73 in the commune and continues south to join the D130 just outside the commune. the D156B branches from the D73 in the commune and goes south-east toThodure. Apart from the village there are the hamlets of Bas Beaufort and Chantabot. The commune is entirely farmland.[5][6]
La Raille stream flows through the commune from north-west to south-east where it continues to join theTorrent de la Perouse atViriville. In the north-west of the commune are canals and ponds for a fish farm.[5][6]