Ardèche volcanoes

Hiking distance : 15 km ; Hiking time : 5:00
Mount Gerbier de Jonc, well known site near Rieutord

The high plateau in the Ardèche department, north of the upper Ardèche valley is full of examples of ancient volcanic activity. In this case, ancient is relative. These volcanoes are believed to have ceased activity relatively recently on the geological timescale – near the end of the last ice age about 10 to 12,000 years ago. Accordingly, natural erosion has had less time to erase the visible signs of volcanic activity. Interesting geological phenomena are visible in many locations and recognising the substantial interest of this area, UNESCO recently accorded the label of Geopark (see this link in french) to the regional park.

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Exploring Aigaliers and surroundings

Hiking distance : 11.6, 9.5, 8.7, 8.2 km ; Hiking time : 3h30, 3h, 3h, 3h
tour d'horloge d'Aigaliers
tour d’horloge d’Aigaliers

Here are 4 trails that explore the landscapes around the village of Aigaliers (located in the Uzège region of the Gard department).

As a guide to the points of interest, there are various pin markers on the accompanying maps. Here is a short outline.

Glass works : In the 17th, 18th and 19th century, the right to manufacture everyday glassware objects was reserved for the local signorial family. In Aigaliers this was probably the D’Aigaliers family. Sand and evergreen oak, which on conversion to charcoal burns very hot, were locally available, so rudimentary glassworks were commonly set up in evergreen oak forests. In Aigaliers, the glass works is located south of Le Chabian. The ruins are not hard to find, and several parts are still standing. The author is not sure when glassmaking ceased, but the Aigaliers glass was somewhat known around the region. There are references to Aigaliers glass in historical sites as far away as Claret in the Herault department.
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Bauxite

Hiking distance : 12 km ; Hiking time : 03:30
abandoned mine works / mine abandonnée
abandoned mine works / mine abandonnée

This circuit starting from Maussane-les-Alpilles winds along quiet streets and through a golf course in the shadow of the fortress of Les Baux-de-Provence before passing by remnants of the bauxite mining industry. Bauxite was first discovered in the area around 1820 and from 1850 industrial methods to extract extract aluminium from bauxite became available. Several mines were in operation around the village of Les Baux-de-Provence and until 1939, France was the world’s largest single producer of bauxite. The name bauxite, of course, derives from the village name les “Baux”. Nowadays the mines are abandoned and in at least one case, flooded, but satellite images make it fairly easy to see where the mines were : the barren landscapes are tinted ocre red. Along this walking route there is a small mine gallery entrance, probably the result of exploratory digging. The largest bauxite mine site is near Mas Rouge (not near this route). However near the above-mentioned gallery entrance, there are 2 large abandoned bauxite quarries (too dangerous to visit).

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Bourdic’s strange rock sculptures

Hiking distance : 11 km ; Hiking time : 3:30

This circuit starts from the Bourdic wine coop, just north of the centre of the village. Apart from the chance to sample or buy some local wines in the coop, the main attraction of this walk is to pass by a set of unusual coloured rock carvings on a low rock face surrounded by vineyards. Despite an (uninformative) article in the local newspaper, I have never been able to discover information about the date or the artist. The carvings are never-the-less recent, probably done between 2010 and 2015. There is also an interesting old dovecote in the village of Garrigues. See the pictures below.