Cima Fournier, Mountain summit on the France–Italy border, Cottian Alps

Cima Fournier is a summit reaching 2,424 meters (7,953 feet) that straddles the border between the French Alps and the Italian Alps. The mountain features steep slopes and rocky terrain typical of the Cottian Alps range in this region.

The summit lies on the main Alpine watershed, where the Servierettes and Chabaud valleys, draining toward the Val di Susa, meet the Cerveyrette valley, which drains toward the Durance. The border between the Italian comune of Cesana Torinese and the French commune of Cervières runs across the top, marked today by a boundary stone. A ridge branching off the summit carries the Monte Beghino and Monte Corbioun northeastward, separating the Servierettes and Chabaud valleys.

The summit carries a border stone marking the Italo-French frontier, and the mountain is split between the communes of Cesana Torinese and Cervières. The Italian slope lies within the Cima Fournier e Lago Nero protected site, 639 hectares in extent, while the Capanna Mautino at 2,110 m serves walkers just north-west of Lago Nero.

The hike from Cervières takes about 5 hours with a total elevation gain of 557 meters. Sturdy hiking boots and plenty of water are essential, as the trail offers little shade and can be exposed to weather changes.

The summit carries a border marker on the Italian-French line, where the watershed splits between the Dora and the Durance. A ridge branches off here toward Monte Beghino and Monte Corbioun, separating the Servierettes and Chabaud valleys. The Italian slope lies within the 639-hectare Cima Fournier and Lago Nero protected site.