The ferruginous source

Easy family walk, which runs through forests and alpine fields. Splendid view on the massif of Belledonne. To combine with the visit of the Oz Waterfall.

About : The ferruginous source

A new discovery around Oz! Go in search of the ferruginous spring, a place in all simplicity and remarkable for the color of its stream rich in iron.

Departure: Tourist Office
Distance: 4km
Altitude difference: about 180m
Duration: 1h30
Maximum altitude: 1350
Markup accuracy: From the Tourist Office, follow the Pré Raynaud trail (at the top of the Clos du Pré ski lift). At the first intersection, take direction "Le Roberand". At the second, always take a right. After several minutes of descent, turn right towards "Le Bessay" and "Source ferrugineuse". The source is a hundred meters lower and is noticeable by its rusty color. The path continues straight to the torrent of Roubier, beautiful and refreshing site. Cross the wooden bridge and go up along the slope. Possibility to make a detour to see the Oz Waterfall. Arrived at the hamlet of Bessay, turn right direction "Oz Station", pass the Pont du Gay and go through the neighborhood "Clos du Pré".

En bref

1 h 30

J+ : 340 m

4 km

Level bue - Medium

Map and GPX marking

The ferruginous source

Getting There


  • Car park


  • Pets welcome


From 01/06 to 30/09.


Free of charge

Free access.

This service provider also offers

Le Pré de la Pierre

Lower lakes

Circuit des Sangliers

Location supplement

Starting point behind the Tourist Office.