Mario Piacenza was an Italian mountain climber, ethnologist and explorer.

In 1911 with J.J. Carrel and J. Gaspard reached the summit of the Matterhorn

Matterhorn

The Matterhorn , Monte Cervino or Mont Cervin , is a mountain in the Pennine Alps on the border between Switzerland and Italy. Its summit is 4,478 metres high, making it one of the highest peaks in the Alps. The four steep faces, rising above the surrounding glaciers, face the four compass points...

 from the Furggen ridge.

In 1913 he organized and leaded an exploration of the Ladakh

Ladakh

Ladakh is a region of Jammu and Kashmir, the northernmost state of the Republic of India. It lies between the Kunlun mountain range in the north and the main Great Himalayas to the south, inhabited by people of Indo-Aryan and Tibetan descent...

, reaching the summits of the twin peaks of Nun and Kun

Nun Kun

The Nun Kun mountain massif comprises a pair of Himalayan peaks: Nun, 7,135 m and its neighbor peak Kun, 7,077 m . Nun is the highest peak in the part of the Himalayan range lying on the Indian side of the Line of Control in Jammu and Kashmir...

 (m 7.147 and 7.095) in the Indian Kashmir

Kashmir

Kashmir is the northwestern region of the Indian subcontinent. Until the mid-19th century, the term Kashmir geographically denoted only the valley between the Great Himalayas and the Pir Panjal mountain range...

 together with Borelli ed Gaspard, then the summit of the Z3 peak, naming it Cima Italia (Italia Peak, m 6189). During this expedition he took thousands of photographs of the regions visited and of their people, most of which collected in the book of Cesare Calciati, Spedizione Mario Piacenza, Himalaia Cashmiriano, Milano 1930.