Lake Djouan from Valnontey
Warnings
- Start before 8 AM in August to avoid crowds
- Do not approach ibex (minimum 30 m distance)
- Afternoon thunderstorms common in summer
1 / 2Map & route
GPX track — verify on the ground before hiking
Fitness level
~2700 kcal estimated
From the village of Valnontey (1666 m), one of the southern gateways to Gran Paradiso National Park, the trail climbs steadily across the Lauson pastures to the still waters of Lake Djouan at 2515 m. It is one of the most beloved routes in the Cogne valley because it combines easy access with an exceptionally high chance of wildlife encounters: in the early morning ibex — the symbol of the Park, saved here from extinction in the early twentieth century — graze undisturbed along the path, often just metres from hikers, while marmots, chamois and eagles complete the scene. Beyond the larch woods the route opens onto broad high-altitude pastures dominated by the bulk of Gran Paradiso (4061 m) and the Becca di Moncorvé; the lake, cradled in a glacial cirque, mirrors the peaks on clear mornings. The E grade hides no technical difficulty, only a sustained 850 m of ascent to be tackled at a steady pace. The route is very busy in August: set off before 8 a.m. for silence and wildlife, and carry water, as reliable sources thin out above Valnontey.
Along the route: from Valnontey (1666 m), the path passes Alpe Lauson (2100 m) — Pastures with frequent ibex sightings, to Lago Djouan (2515 m). Along the way you reach the Vittorio Sella refuge, a useful base. The skyline is dominated by Gran Paradiso (4061 m), Becca di Moncorvé (3384 m).
Earth sciences
Geology & landscape
The trail climbs the southern Gran Paradiso slope on Penninic calcschists and micaschists with augen gneiss outcrops of the Austroalpine basement above 2200 m. Lauson pastures develop on Würmian glacial deposits with rebuilt moraines and lacustrine sediments. Lake Djouan occupies a cirque carved by the Würm glacier with terminal moraines and proglacial deposits. Rocks around the lake show glacial striations and meltwater potholes. Gran Paradiso granite (Dora-Maira unit) outcrops appear near Becca di Moncorvé. Periglacial scree deposits indicate instability on slopes above 2400 m.
History & culture
Valnontey is the southern gateway to Gran Paradiso National Park, established in 1922. The lake is a classic ibex-watching destination, symbol of the park.
Water sources
Fountain in Valnontey. Springs at Lauson in summer. Do not drink lake water.
Getting there
VITA bus to Cogne from Aosta with Valnontey connection in peak season.
Nearby peaks
Refuges & bivouacs
Photo gallery
Photos are published immediately. JPG/PNG/WebP, max 6 MB.
Flora along the trail
Wildlife to spot
ACurated and verified by Andrea Rama
Data source: Parco Nazionale Gran Paradiso · Open data
Last verified:
Val di Cogne
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