Le Lac Vert (Plaine-Joux)

WOW – this 🍁🍂autumn🍂🍁 has been so mild and sunny . . . and the sunny days look set to continue for a while . . . those desperate to see ❄️snow❄️ falling and covering our slopes must be getting impatient . . . but here at MBFF, though our boys are looking forward to winter sports and snow, we are equally happy to continue to enjoy the golden nature that autumn has to offer!

The MBFF family members are regular visitors to Le Lac Vert in Plaine-Joux (Passy), and a visit last weekend reminded me that I should write a post exclusively about this lovely alpine lake! A family visit is a great day out: a short walk, with fun wooden walkways and some scrambling too, boulders to climb,🌲trees and ⛰ snowy mountain peaks reflected in the green waters of the lake, and magnificent views of the Massif du Mont-Blanc!

Tree reflections at Lac Vert © montblancfamilyfun.com
Mont-Blanc as seen from Lac Vert © montblancfamilyfun.com

An ethereal green mountain lake, the Lac Vert is fed by underwater sources and it is protected by the tall pine trees (reflected in all their glory in the waters of the lake) surrounding it. The lake has been classified a natural site since 1909 (you are not allowed to swim, litter, camp or light 🔥fires) and wooden passerelles were put in place by the ONF (Office National des Forêts), to protect (and prevent further damage to) the borders of the lake.

The Lac Vert’s transparent waters allows you to observe the bottom of the lake, with the accumulation of trees and vegetation; this, and the presence of blue algae, give the lake its mesmerising emerald green colour.


A little history . . .

In the 15th century, the Dérochoir landslide blocked the course of the Arve river and the village of Servoz down below was flooded . . . this natural disaster also produced Le Lac Vert. Another huge landslide in 1751 deposited the huge boulders that you see today half-submerged in, and around, the small natural lake.

Tree reflections and boulders at Lac Vert © montblancfamilyfun.com

And a legend . . . 

According to a legend told by the abbé André Vuillermoz in the book Le Chamois Blanc et le Lac Vert, on certain full moon winter nights, it is possible to see a moving a white chamois on the frozen lake; a chamois who had been killed a long time before by a Chamonix huntsman. After the death of the chamois, the good Dame de la Montagne (the Lady of the Mountain) appeared and shed an emerald green tear (like those emeralds found deep in the glaciers) into the Lac Vert. This tear covered the body of the chamois and gave the lake its unique colour.

And also, if you look very, very carefully, you might just see Excalibur rising from the waters (several scenes of the TV series Kaamelott were filmed at the Lac Vert).

At the very least, you should be able to spot some fish and vegetation!

The ethereal Lac Vert in late summer © montblancfamilyfun.com

A family visit to Lac Vert – some top tips!

baby-carriers & baby backpacks – are de rigueur here! Buggies are NOT an option for a clamber around this small mountain lake (though you can easily walk down from Plaine-Joux with a buggy, along the paved road), as there are enormous tree roots and boulders and the sentier is very narrow in parts!

picnic spots – there is a picnic table, and there are benches, and plenty of great boulders too! On our last visit, I saw an older couple enjoying their sandwiches, happily sat facing the autumn sun, on the other side of the lake.

be watchful – with toddlers and small children as there are plenty of spots where they could fall in lake! The passerelles are often slippery and some of the rocks sharp. Perhaps take along some spare clothes for little ones?

Wooden walkways at Lac Vert © montblancfamilyfun.com

bouldering / scrambling – those devastating landslides left some pretty fabulous boulders for older children to climb! (again, be watchful!).

Le Lac Vert bouldering © montblancfamilyfun.com
Le Lac Vert bouldering © montblancfamilyfun.com

wildlife – look out for fish in the lake (fishing is permitted, with a special licence), dragon-flies and 🦅birds of prey overhead . . .


Restaurant options

If you prefer a warm interior (or sunny terrace!), you may prefer a restaurant option over a picnic. Here are some options:

Le Restaurant du Lac Vert – is right next to the Lac Vert, so it is the obvious choice! It has a newly-built terrace, with fabulous views of the Mont-Blanc Massif / opening dates: summer and winter seasons (do check opening dates and hours!) / address: 1600 chemin des Parchets / tel: 06 48 34 49 99 / FB Page;

Le Refuge Le Châtelet d’Ayères – is accessible on foot over both summer and winter seasons (and with snow-shoes) / address: route du Châtelet / tel: 06 60 81 37 82 / FB page;

La Bergerie (Plaine-Joux) – a firm favourite chez MBFF out on ski days! And it is pretty much open year-round! / FB Page;


Walking routes 

boucle (loop) around the lake – for young ones, a 20 minute jaunt around the lake should suffice . . . 🐟 fish to spot, 🎣 and perhaps the odd person fishing, maybe a 🦅 bird of prey overhead . . . rocks to scramble over, wooden walkways . . .

Plaine-Joux to Lac Vert boucle – this is a walking and snow-shoe route (and you can extend it to the Refuge du Châtelet d’Ayeres) / about 1h30 walking, 4km;

Le Lac Vert in summertime © montblancfamilyfun.com

For snow-shoe routes, see section below . . .


🍁An autumn visit to Lac Vert🍁

Lac Vert is stunning at any time of the year, but it really comes alive in 🍁autumn, when the 🍂golden leaves of the trees can be seen reflected in its shallow emerald green water, or underfoot!

Autumn at Lac Vert © montblancfamilyfun.com
Le Lac Vert in autumn glory © montblancfamilyfun.com
Le Lac Vert in autumn glory © montblancfamilyfun.com

❄️A winter visit to Lac Vert❄️

A ❄️winter visit to Lac Vert will offer a different experience – ❄️snow carpeting the forest and crunching underfoot, perhaps snow frosting the trees, a frozen lake . . .

There are several snow-shoe routes, and these are outlined on pink signs:

  • boucle de la Côte (above Le Mont and Servoz) au Lac Vert;
  • boucle du Lac Vert;
  • boucle du Barmus;
Itinéraires raquette à neige © montblancfamilyfun.com
Le Lac Vert in winter © montblancfamilyfun.com

The boucle du Barmus, as experienced by MBFF:


A summer visit to Lac Vert

🍃Summertime🍃 is when the Lac Vert’s emerald green colour is at its sharpest! It is truly magical, with the reflections of🌲green trees in the green water enhancing the green experience!

Summer at Lac Vert © montblancfamilyfun.com

Further family activities nearby

Unless you opt to do a longer walk, a visit to Lac Vert is at most a half-day affair, allowing for other activities if you have a willing group! You have plenty of options in Plaine-Joux and Plateau d’Assy!

Plaine-Joux – you may decide to park here, in which case you’ll have plenty of choices! During the warmer months (before Passy Plaine-Joux turns into a family ski resort!), there is plenty of space to run around and to kick a ball, watch the parapentes taking off on a clear day . . . or you could visit the Maison de la Réserve Naturelle de Passy, or try out the accrobranches ® Passy Plain’Wood (do check opening hours out of main summer season ).

Plain’Wood Passy Plaine-Joux © montblancfamilyfun.com

Le Jardin des Cimes – on the drive from Plaine-Joux to Plateau d’Assy, you will pass this delightful alpine garden (open end of May until end of September). This magical spot is a firm favourite chez MBFF; read more about it here;

Plateau d’Assy – if you drive back down to the valley floor through Plateau d’Assy, then you can’t miss the 1930s tuberculosis sanitoriums: huge and often garishly coloured buildings on bends of the road (these are the ones still in use), and then on the plateau itself you’ll see many that are in a state of total or half-abandon . . . Plateau d’Assy is a fascinating place, rich in both medical and and also art history, and it is worth exploring!

  • medical history – in the 1930s, to deal with the thousands of cases of tuberculosis in France, the Plateau d’Assy was chosen as the prime location to build a dozen sanitoriums. This location in Passy was chosen for: its altitude of between 1000m and 1350m kept it above the fog of the valley, the air was dry and it had a sun-exposed midday orientation, temperatures were never extreme, it was protected from the wind by the dominant rock faces of the Fiz mountain chain, it was in the heart of the forest, with drinking water available. . . and, perhaps most importantly, a it’s location was fairly isolated from local inhabitants (to prevent spread of tuberculosis), and yet it was near a train station, for the access of patients . . . Once the plateau was chosen, prominent architects like Henri Jacques Le Mêm and Pol Abraham designed the sanitoriums, which would then host thousands of patients with tuburculosis. As tuberculosis affected both rich and poor, there was even a luxury sanitorium reserved for the very wealthy, with suites and fine dining – the Grand Hôtel du Mont-Blanc. Famous people who spent time at the sanitoriums include: Marie Curie, who died in 1934 at the Sancellemoz sanitorium, and Russian composer Igor Stravinsky, who recovered from the disease, but whose wife Katya and daughter Ludmila both died from their infection. Advances in medicine and the development of effective antibiotics in the treatment of tuberculosis rendered these sanitoriums obsolete by the 1960s. Known locally as paquebots (large passenger ships), these sanitoriums were then largely converted into: rehabilitation & re-education centres, a holiday centre (the salmon pink Guébriant), and some were converted into apartments. The future for the recently abandoned sanitoriums is uncertain.
Le Guébriant, old sanitorium, seen from the Jardin des Cimes © montblancfamilyfun.com
  • art history – around the sanitoriums, family hotels, shops and restaurants opened to accommodate visiting families . . . and the tuberculosis patients and their families needed a church, and hence in 1937, Notre-Dame-de-Toute-Grâce, «l’église des malades», was built. This quirky church is well worth a visit. It was made famous by the work of several renowned artists: the façade’s mosaic was created by painter and ceramist Fernand Léger; Georges Braque added a bronze tabernacle and Marc Chagall a baptistery. You’ll also see some unique sculptures gracing bends in the road on the drive from Passy to Plateau d’Assy.
Notre-Dame-de-Toute-Grâce © montblancfamilyfun.com

*good to know Passy Tourisme organises guided tours of the sanitoriums and there is a good leaflet available a the Tourist Office too*

*more information – read this fascinating article in Le Temps by journalist Christian Lecomte, for more information about the sanitoriums, their history and their uncertain future . . .


Getting there

by car – you can access Lac Vert via the main route from Plateau d’Assy, bringing you to Plaine-Joux / or you can use the less-frequented Servoz route (in wintertime, on certain days, even the main route to Plaine-Joux can be challenging with winter tyres; we one had to turn back!)

by bike – for road-biking families, for a good workout, you can head up to Plaine-Joux on the road from Passy! VTT enthusiasts love the route through the forest for the way back down to the valley in Chedde! (watch this video for a dizzying glimpse of a descent!)

on foot – there are plenty of walking paths and snow-shoe routes, taking you up to Lac Vert . . .


Parking

You can park at Plaine-Joux, where there is ample space, or you can continue to drive down to Lac Vert (not in the winter ski season!) and park there (limited space).

One thought on “Le Lac Vert (Plaine-Joux)

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