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Montlosier Pond – Thèdes Observatory loop from Royat - Chamalières

Routes

Bike touring routes & trails

Montlosier Pond – Thèdes Observatory loop from Royat - Chamalières

Hard

3.5

(2)

riders

Montlosier Pond – Thèdes Observatory loop from Royat - Chamalières

02:31

33.8km

740m

Cycling

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: June 21, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Parc naturel régional des Volcans d'Auvergne

Waypoints

Start point

Train Station

Get Directions

16.3 km

Volcano Park Visitor Center

Highlight • Rest Area

It has information about the places to visit. Shops and activities to be carried out throughout the region. Recommended to start the visit from this point.

Translated by Google •

Tip by

16.6 km

A creation of the Count of Montlosier, L'Étang de Montlosier is more of a landscape creation. It is artificially created by diversion of the Randanne which then bumps against the lava flow of the Puys de la Vache and Lassolas. The pond covers an area of nearly 1.5 hectares and has no apparent water outlet. This disappears, in fact, in the volcanic strata at the foot of the puys of Lassolas, La Vache, and Mercœur.
After a political career spent abroad, François Dominique de Reynaud, Count of Montlosier, tired of political intrigues, retired to his land in Montlosier in 1816. It is a very poor land where agriculture is impossible. The count undertakes to make it possible by transforming the landscape, a work that will take him 22 years. Living with his son in a cottage, he first took care of housing the cattle. The castle will be built later, in 1820. Then, he takes care of clearing, restoring the soil, making hydraulic arrangements and finally cultivating. It goes without saying that the landscape is profoundly modified.

Translated by Google •

Tip by

25.4 km

Thèdes Observatory

Highlight • Monument

We met a resident who allowed us to go inside and visit, as well as go up to the walkway with a view of the Charade circuit, Clermont-Ferrand, and Thédes
Magnificent

Showing Translation

Tip by

27.7 km

Ruins

33.8 km

End point

Train Station

Way Types & Surfaces

Way Types

29.0 km

3.72 km

653 m

432 m

Surfaces

31.4 km

1.56 km

584 m

142 m

< 100 m

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Weather

Wednesday 15 July

33°C

19°C

93 %

Additional weather tips

Max wind speed: 13.0 km/h

to get more detailed weather forecasts along your route

Comments

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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Montlosier Pond – Thèdes Observatory loop from Royat - Chamalières

Volcano Park Visitor Center

Montlosier Pond

Thèdes Observatory

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