Tosc, Alpine peak in Triglav National Park, Slovenia.

Tosc is a limestone peak in Triglav National Park that rises 2,275 meters above sea level. The mountain features steep north-facing cliffs and gentler southern slopes that overlook the Voje Valley.

Tosc was formerly known as Tolstec, a name derived from the adjective base 'tolst' (thick), referring to the mountain's stout form and pointed summit. It lies within Triglav National Park, established in 1981, which protects the massif. The southern slope has long been used for ski touring, and the summit offers a clear view of Triglav.

The name Tosc comes from the adjective base tolst ('thick, fat'), referring to the mountain's bulky shape and pointed summit; the same root gives the name Toško čelo. The mountain lies within Triglav National Park, and its southern slope is regularly used by ski tourers.

Vodnikov dom mountain hut is the main base for climbers and offers accommodation for around 50 people with basic supplies available. Visitors should prepare for variable weather conditions, especially in colder months when snow and ice alter the terrain.

The name Tosc comes from the adjective base tolst ('fat, thick'), referring to the mountain's bulky shape with a pointed summit; the same root gives the oronym Toško čelo and the surname Tovšak. The mountain was formerly also known as Tolstec.