Banne is located some 32 km north by north-east of Alès and 40 km south by south-west of Aubenas.
The southern border of the western arm of the commune is the departmental border between Ardèche and Gard.
The village is at the top of a hill and seems cut in half with Le Fort to the north and L'Eglise to the south and a tangle of streets, stairways, and terraced gardens.
It is an old mining town with coal deposits of high quality coke.

Access to the commune is by the D901 from Les Vans in the north which passes through the heart of the commune east of the village and continues south to Saint-Paul-le-Jeune.
The D104 branches off the D901 in the south of the commune and goes north-east to Berrias-et-Casteljau.
The D310 comes from the south and passes along the western edge of the commune to join the D216 to Les Vans just north of the commune.
Access to the village is by the D251 from Saint-Paul-le-Jeune which continues to join the D310 in the commune.
There are many hamlets in the commune apart from the village:
les Avelas
la Bildoire
Cheyrès
Garde Giral
les Garidels
la Lauze
le Mazel
Montgros
les Pérusses
Petit Brahic
les Pialets
Pigère
la Planète
le Poujol
le Puech
Sallefermouse
There is an area of farmland east of the village with most of the commune being forested.

The Granzon river rises in the north of the commune and flows east forming the northern border of the commune before turning south-east then east through the commune and continuing east to join the Chassezac near Maison Neuve.
Several tributaries of the Granzon rise in the commune and flow northwards to join it including the Ruisseau de Doulovy, the Ruisseau de la Combe, the Ruisseau de l'Oulette, the Ruisseau de la Vernadelle, the Ruisseau de la Sauzède, and the Ruisseau de Claveysson.

The climate is of Mediterranean type.
Banne is located some 32 km north by north-east of Alès and 40 km south by south-west of Aubenas. The southern border of the western arm of the commune is the departmental border between Ardèche and Gard. The village is at the top of a hill and seems cut in half with Le Fort to the north and L'Eglise to the south and a tangle of streets, stairways, and terraced gardens. It is an old mining town with coal deposits of high quality coke.
Access to the commune is by the D901 from Les Vans in the north which passes through the heart of the commune east of the village and continues south to Saint-Paul-le-Jeune. The D104 branches off the D901 in the south of the commune and goes north-east to Berrias-et-Casteljau. The D310 comes from the south and passes along the western edge of the commune to join the D216 to Les Vans just north of the commune. Access to the village is by the D251 from Saint-Paul-le-Jeune which continues to join the D310 in the commune. There are many hamlets in the commune apart from the village:
les Avelas
la Bildoire
Cheyrès
Garde Giral
les Garidels
la Lauze
le Mazel
Montgros
les Pérusses
Petit Brahic
les Pialets
Pigère
la Planète
le Poujol
le Puech
Sallefermouse
There is an area of farmland east of the village with most of the commune being forested.
The Granzon river rises in the north of the commune and flows east forming the northern border of the commune before turning south-east then east through the commune and continuing east to join the Chassezac near Maison Neuve. Several tributaries of the Granzon rise in the commune and flow northwards to join it including the Ruisseau de Doulovy, the Ruisseau de la Combe, the Ruisseau de l'Oulette, the Ruisseau de la Vernadelle, the Ruisseau de la Sauzède, and the Ruisseau de Claveysson.
The climate is of Mediterranean type.
Banne