Valpelline — Conca di By

High Route 1 — Stage 13: Ollomont → Rifugio Champillon

EHikersummer · autumn
High Route 1 — Stage 13: Ollomont → Rifugio Champillon
Distance

9.5 km

Ascent

+1070 m

Descent

−40 m

Duration

3.5 h

Fitness level

~3000 kcal estimated

Elevation profile

Ollomont · 1379 mRifugio Champillon · 2420 m

Map & route

Download GPX

Official GPX track — Aosta Valley Region / lovevda.it

Description

Stage thirteen is the first of the final sequence steering the Alta Via 1 toward the Mont Blanc massif: from Ollomont the trail climbs over 1000 metres to Rifugio Champillon in the Conca di By, one of the most unspoiled landscapes in the entire Aosta Valley. The route departs from the hamlet of Rey, threads through a larch and Scots pine forest on quite steep sections, reaches the summer farms of Prumayes (1621 m) and continues on a well-marked path toward the Champillon meadows. The small chapel of Notre-Dame-des-Neiges at approximately 2300 m is the spiritual landmark of this stretch and deserves a quiet stop. Rifugio Champillon (2465 m), in the Conca di By at the foot of Col Champillon, is a distinctive hut: a sauna with Alpine views, a yurt on the lawn, and a young, informal atmosphere. Dormitory accommodation and wild camping in the surrounding meadow are both available depending on preference and season. The stage is short in kilometres but the unrelenting positive elevation — with almost no flat sections — demands trained legs and a steady rhythm.

Key points

  1. Ollomont

    1393 m · 0 km from start

    Start from Rey hamlet

  2. Notre-Dame-des-Neiges

    2300 m · 6.5 km from start

    Votive chapel at 2300 m

  3. Rifugio Champillon

    2465 m · 9.5 km from start

    Stage finish, Conca di By

Earth sciences

Geology & landscape

The climb into Conca di By crosses augen gneiss and micaschists of the Austroalpine basement with quartz and garnet bands. Notre-Dame-des-Neiges chapel stands on Würmian glacial deposits with rebuilt moraines and lacustrine sediments. Above 2200 m, quartzites and chloritic phyllites appear with quartz-feldspar pegmatites. Rifugio Champillon sits on a plateau shaped by periglacial deposits with scree and active solifluction. Toward Col Champillon (next stage), calcschists and marbles of the lower Penninic stack appear. Colluvial deposits and historic landslides indicate instability on forested slopes below Prumayes.

History & culture

Conca di By is an intact pastoral landscape with active summer farms. Rifugio Champillon is known for its yurt and alpine-view sauna.

Water sources

Fountain in Ollomont. Springs at Prumayes. Water at Rifugio Champillon.

Getting there

VITA bus to Ollomont from Aosta. Trail access from Rey hamlet.

Parking

Parcheggio a Ollomont/Rey, limitato.

Warnings

  • Sustained climb with almost no flat sections
  • Book the hut in July–August

Nearby peaks

Ad · in-content-mid

Start & end

Start

Ollomont

1379 m

Finish

Rifugio Champillon

2420 m

Refuges & bivouacs

Photo gallery

Flora along the trail

Themes and features

Adjacent stages