Upper Lago Lungo – Lake Vargno loop from Mont Mars Nature Reserve

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Italy

Aosta Valley

Fontainemore

Upper Lago Lungo – Lake Vargno loop from Mont Mars Nature Reserve

Hard

hikers

Upper Lago Lungo – Lake Vargno loop from Mont Mars Nature Reserve

03:19

7.07km

450m

Hiking

Hard hike. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

Last updated: July 17, 2026

Tips

Includes segments that may be dangerous

Parts of this route comprise highly technical, difficult, or hazardous terrain. Specialist equipment and prior experience is required.

After 316 m for 887 m

After 4.09 km for 74 m

After 4.22 km for 434 m

After 5.87 km for 887 m

Waypoints

Start point

Alpine Hut

Get Directions

205 m

Lake of the Barma

Highlight • Lake

Lake Barma is a natural lake of glacial origin located at an altitude of 2,020 m above sea level and is the largest in the Mont Mars Reserve. Its own …

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741 m

Mont Mars Nature Reserve

Nature Reserve

1.27 km

Upper Lago Lungo

Highlight • Lake

Lago Lungo Superiore is an enchanting body of water just a few steps from the Barma refuge.

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1.62 km

Mont Mars Nature Reserve

Highlight • Natural Monument

This small nature reserve gravitates around the 2,600-meter-high Mont Mars. It includes dense forests, majestic peaks, green alpine meadows, alpine lakes and wetlands rich in biodiversity.

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2.29 km

Alpe Vargno

Highlight • Mountain Hut

Alpine pasture located a little further upstream from the lake of the same name, where there is a large drinking fountain to stock up on fresh water

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2.70 km

View of Lago di Vargno

Highlight • Viewpoint

After a further uphill stretch, you reach the plain that leads to the Vargno dam.
At the bottom of the lake there are tables for those who stop to eat, enjoying the spectacle of the lake.

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2.98 km

Lake Vargno

Highlight • Lake

This beautiful lake is located at the foot of the Mont Mars Nature Reserve. From its banks Punta Leretta, Punta Figlieu, Mount Mars, Mount Rosso, the Lei Long and Gragliasca …

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