Following the Border MarkersA journey through time, following the French-Swiss border and the markers that have separated the two nations since 1766. The route climbs to 1,173 m above sea level amid the matchless scenery of La Brévine Valley.Sentier des bornes Sentier des bornes Sentier des bornes Sentier des bornes 1035.2418212891Lac des TaillèresAn enchanting lake – but it could send shivers down your spine when you realise it's located in Switzerland's coldest valley! Lined with pine trees and meadows, the lake often becomes a natural skating rink during winter, set amid fairytale scenery. A thoroughly Siberian experience in the heart of the Jura.Vallée de La Brévine in winter (Vincent Bourrut)Vallée de La Brévine in winter (Vincent Bourrut)Vallée de La Brévine in winter (Vincent Bourrut)Lac des Taillères, Vallée de La Brévine (Vincent Bourrut)Lac des Taillères, Vallée de La Brévine (Vincent Bourrut)Lac des Taillères (Vistadrone)Lac des Taillères, Vallée de La Brévine (Vincent Bourrut)Lac des Taillères, Vallée de La Brévine (Vincent Bourrut)Lac des Taillères, Vallée de La Brévine (Vincent Bourrut)Lac des Taillères, Vallée de La Brévine (Vincent Bourrut)Lac des Taillères (Fabien Nissels)Lac des Taillères (Fabien Nissels)Lac des Taillères (Fabien Nissels)915.9833984375Underground millsThe only industrial heritage site of its kind in Europe: hydraulic mills buried 23 m underground attest the ingenuity of this region’s inhabitants. A thrilling walk in the bowels of the earth to learn all about this 17th-century invention.Underground Mills (Guillaume Perret)Underground Mills (Guillaume Perret)Underground Mills (Guillaume Perret)Underground Mills (Guillaume Perret)1121.27709960941123.83239746091122.72216796881128.77758789061133.347656251144.95080566411148.55920410161146.05371093751149.42517089841154.62963867191155.17370605471159.71716308591162.0878906251177.28698730471184.68811035161183.59057617191191.72058105471193.61010742191198.67602539061221.11633300781217.97106933591213.52966308591210.94958496091214.40026855471226.894531251238.75805664061243.36083984381246.47094726561247.68212890621257.4003906251269.86193847661270.52453613281271.92590332031245.02343751247.69506835941248.58935546881250.91479492191254.41821289061249.68200683591248.53381347661248.40344238281256.39965820311251.42871093751257.30810546881265.31896972661259.73144531251255.24450683591251.65673828121250.56347656251233.70239257811224.41174316411218.08081054691204.61682128911206.81494140621207.81872558591207.50695800781200.19689941411192.48205566411181.03210449221179.00439453121175.71411132811170.91906738281164.00488281251156.19567871091153.35168457031149.91027832031142.69677734381139.14038085941127.42285156251122.36035156251128.74157714841138.77575683591130.76867675781141.94055175781151.26245117191153.76123046881155.13208007811166.39318847661166.62792968751172.96740722661177.73217773441182.99169921881179.90954589841177.722656251180.03869628911180.20617675781185.50610351561186.52844238281185.85253906251176.76220703121170.3964843751170.28442382811172.10205078121170.35180664061163.97998046881158.53283691411153.16625976561148.61340332031114.33898925781109.45825195311108.39025878911114.80261230471128.3808593751136.80480957031134.89392089841137.27526855471139.60217285161128.51257324221123.03955078121088.35009765621085.34155273441080.27465820311078.93627929691084.47729492191102.34692382811084.144531251085.48107910161080.74523925781079.31433105471078.90307617191078.42968751076.64550781251078.51684570311079.01000976561078.89404296881077.90905761721077.01257324221075.26000976561077.39562988281079.65905761721080.02111816411075.71301269531072.17053222661071.30200195311069.77746582031070.191406251071.08972167971074.76220703121077.95166015621082.13415527341081.07690429691079.64331054691079.9746093751079.73059082031078.43444824221079.79089355471080.722656251081.49621582031083.03649902341083.68188476561084.68432617191086.91088867191088.42761230471091.36096191411096.18054199221097.48791503911099.08215332031100.04284667971103.35107421881107.62719726561108.42236328121113.30786132811119.49243164061135.34289550781147.30712890621150.17126464841150.94897460941153.19274902341151.09973144531154.67810058591156.19775390621158.40148925781164.05554199221168.31884765621176.68054199221181.81359863281191.82592773441200.09338378911218.89172363281242.23034667971248.90405273441255.03564453121263.21313476561268.58776855471273.62744140621282.43847656251286.56713867191292.87121582031293.04077148441300.84619140621299.66223144531295.79479980471285.78784179691282.78259277341275.76843261721268.71826171881270.86254882811265.30822753911262.95043945311252.08325195311244.34472656251210.46386718751196.07458496091192.39965820311199.56433105471196.01623535161196.2910156251197.24121093751185.97680664061185.08630371091174.97863769531157.09130859381158.77978515621151.33923339841142.15539550781159.37158203121146.87646484381144.269531251133.81982421881120.48815917971110.94470214841099.18664550781090.61267089841092.63012695311098.58129882811097.42004394531096.43652343751098.30883789061091.57690429691076.58239746091078.06738281251080.2519531251076.92163085941077.0382080078