Cerlier), where its promontory into the Lake of Bienne builds both the Isthmus and the St. Petersinsel peninsula.

North, nestled between it and the Thielle canal lies Gals and, at its southern side, Tschugg.

The sunny side slopes of the Jolimont are ideal for growing grapes, mostly chasselas.

The Jolimont is located within an area rich in archaeological sites, at the side of an important waterway.

Isolated objects of almost all areas, undetermined defensive systems and vestiges of Roman housings indicate the early presence of mankind on the summit plateau.