{"type":"Feature","properties":{"id":8275,"name":"J3\u2022 Autrans – Rencurel","description":"
Descriptif :<\/p>\n
– Autrans. 1040 m<\/p>\n
Quittez l\u2019h\u00f4tel en revenant vers le centre nordique. Prenez \u00e0 droite en direction du Pas de Pertuson. Passez devant le centre de formation aux m\u00e9tiers du tourisme rural, (AFRAT) traversez le hameau d\u2019Andrevi\u00e8re puis descendez dans les prairies sur une large piste en terre. Passer devant la borne Grand Pr\u00e9 et continuez tout droit en mont\u00e9e vers la for\u00eat des Clapiers. Vous remarquerez \u00e0 sa couleur sombre, que celle-ci se compose surtout de r\u00e9sineux.<\/p>\n
– Les Sargniers. 1070 m. 20 min<\/p>\n
A partir de ce croisement, nous voici dans la for\u00eat des Clapiers qui tire son nom de son sol calcaire. Les clappes sont des zones de lapiaz, parfois parsem\u00e9es de petits gouffres : les scialets. La lapiaz sur lequel vous marchez, laisse appara\u00eetre la roche nue, burin\u00e9e de profonde cannelures, de rigoles et parfois disloqu\u00e9e en pierrier. La pr\u00e9sence de gaz carbonique dans les eaux de pluie, entra\u00eene la formation d\u2019acide carbonique qui a la facult\u00e9 de dissoudre le calcaire. Ce calcaire qui forme la roche, provient \u00e0 l\u2019origine des s\u00e9diments anciens qui se sont d\u00e9pos\u00e9s lorsque le Vercors \u00e9tait recouvert par l\u2019oc\u00e9an.
\nEntre \u2013 135 et \u2013 65 millions d\u2019ann\u00e9e, s\u2019est form\u00e9 le calcaire urgonien qui constitue la surface du plateau et les falaises autour. Plus tard s\u2019est form\u00e9 le calcaire s\u00e9nonien dont des bancs de quelques centim\u00e8tres affleurent sur tout le versant Ouest du Val de Rencurel. La mer s\u2019est retir\u00e9e puis est revenue entre \u2013 20 et \u2013 5 millions d\u2019ann\u00e9es, formant la molasse (ciment d\u2019argile, de sable et de galet), pr\u00e9sente sur le Versant Est du Val de Rencurel.<\/p>\n
Prenez \u00e0 gauche en sous-bois en suivant le GR 9 (balisage rouge et blanc). Vous suivrez ce GR Tour des 4 montagnes jusqu \u2018\u00e0 Rencurel. Le chemin monte et descend, sort puis rentre \u00e0 nouveau dans la for\u00eat. A l\u2019embranchement avec le chemin qui monte de la ferme de BlancBrude, prenez \u00e0 droite le sentier des cavales. Ce sentier porte ce nom en souvenir du temps o\u00f9 les transports se faisaient par b\u00eates de somme. Les cavaliers qui empruntaient ce chemin pour le commerce devaient tenir leur monture par la bride afin de franchir le pas de Pertuson.<\/p>\n
A partir de ce point (borne Combe Gonnet), le chemin ne fait que monter jusqu\u2019au pas de Pertuson. Le sentier se r\u00e9tr\u00e9cit et devient plus raide. Vous croisez de nombreuses pistes foresti\u00e8res. Suivez en permanence le balisage rouge et blanc. Apr\u00e8s un kilom\u00e8tre, vous parvenez \u00e0 une intersection.<\/p>\n
– La Pierre de l\u2019eau. 1268 m. 55 min<\/p>\n
Ne descendez pas vers le trou qui souffle mais continuez \u00e0 monter r\u00e9guli\u00e8rement sur 1,5 Km jusqu\u2019au pas de Pertuson. Ce secteur est tr\u00e8s riche en gibier (cerf, chevreuil, chamois, sanglier). Des empreintes de chevreuil sont peut-\u00eatre visibles sur le sol. Apr\u00e8s 800 m, vous pouvez observer la ligne de cr\u00eate parcourue hier, ainsi que la cr\u00eate de la Grande Roche St Michel \u00e0 l\u2019arri\u00e8re plan. 200 m plus loin, la vue se d\u00e9gage d\u2019avantage, sur le village de M\u00e9audre, le Grand Moucherolle et le Taillefer (massif de l\u2019Oisans). 400 m plus loin, \u00e0 l\u2019altitude 1400m, vous montez dans les lapiazs jusqu\u2019au Pas de Pertuson.<\/p>\n
– Pas de Pertuson. 1435 m. 30 min<\/p>\n
Autrefois, les habitants d\u2019Autrans, M\u00e9audre et Villard de Lans utilisaient r\u00e9guli\u00e8rement ce passage, voie de communication primordiale avec la vall\u00e9e de l\u2019Is\u00e8re (St-Marcellin, Vinay) via les Coulmes. Ils se rendaient aux foires pour acheter ou \u00e9changer les produits n\u00e9cessaires \u00e0 la vie de tous les jours. Le Pas de Pertuson, pour les habitants de la vall\u00e9e d\u2019Autrans-M\u00e9audre, est un point de rep\u00e8re pour les changements de temps : mauvais signe lorsque, sur les cr\u00eates, la mer de nuage d\u00e9passe le Pas et continue vers M\u00e9audre\u2026<\/p>\n
La descente en direction du col de Romey\u00e8re est un peu raide dans sa premi\u00e8re partie (5 min). De ce c\u00f4t\u00e9, le sentier est encaiss\u00e9 entre les roches calcaires. Vous \u00eates pass\u00e9s de l\u2019autre c\u00f4t\u00e9 du versant et la temp\u00e9rature se fait plus fra\u00eeche. Apr\u00e8s un encha\u00eenement de petits lacets, le chemin s\u2019\u00e9largit. Vous sortez de la for\u00eat apr\u00e8s 1,7 Km de marche. Vous parvenez au croisement de Ravat au milieu des pr\u00e9s.<\/p>\n
Arriv\u00e9 dans le Pays de Rencurel, on s\u2019aper\u00e7oit bien que l\u2019habitat est ici fortement dispers\u00e9. Des hauteurs du Col de Romey\u00e8re \u00e0 la rive de la Bourne 400m plus bas, se succ\u00e8dent 9 hameaux appartenant \u00e0 la commune de Rencurel. Si vous logez \u00e0 l\u2019h\u00f4tel C\u0153ur des Montagnes, il vous faudra descendre sur la droite et rejoindre le hameau du Col de Romey\u00e8re (voir carte et google map).
\nH\u00f4tel le Marronnier
\n– Ravat. 1140 m. 35 min<\/p>\n
Quittez le sentier principal et prenez tout droit en direction de Rencurel. Le sentier traverse les prairies du val de Rencurel. Vous pouvez observer la diff\u00e9rence entre les deux versants forestiers. Sur votre droite, la for\u00eat est surtout compos\u00e9e de h\u00eatres (vert clair), alors qu\u2019\u00e0 gauche ce sont les r\u00e9sineux qui dominent. Sur la gauche toujours, vous pouvez observer les roches de Gonson et de beaux \u00e9boulis \u00e0 leur base. Vous passez sous deux t\u00e9l\u00e9skis puis vous traversez la Ferme de la Font. Vous parvenez bient\u00f4t au niveau du croisement de Brude. Ici, sur votre gauche, un \u00e9norme bloc d\u00e9tach\u00e9 de la falaise repose au milieu de la prairie. Continuez toujours tout droit dans la m\u00eame direction. Le chemin tr\u00e8s agr\u00e9able, passe pr\u00e8s du g\u00eete du Ch\u00e2teau puis traverse le hameau des Pourrois.<\/p>\n
La l\u00e9gende du rocher de Brude :<\/p>\n
\u00ab Un jour la montagne s\u2019\u00e9nerva et l\u00e2cha un \u00e9norme bloc de rochers en direction du village de Rencurel. Les habitants surpris, \u00e9taient presque tous dehors. L\u2019obscurit\u00e9 rempla\u00e7a le soleil. Mais, presque instantan\u00e9ment, une grande lueur balaya les lieux. Dans la lumi\u00e8re, apparut une Dame. \u00ab La Vierge Marie \u00bb s\u2019exclam\u00e8rent les villageois qui tomb\u00e8rent \u00e0 genoux. L\u2019apparition tendit ses mains vers le rocher et stoppa sa course d\u00e9vastatrice tout juste au-dessus d\u2019une ferme. Le soleil revint, accompagn\u00e9 d\u2019un grand calme. Sur l\u2019\u00e9norme pierre, les empreintes de main de la Dame t\u00e9moignent de la r\u00e9alit\u00e9 des faits. \u00bb Le rocher devint celui de Brude. On reparla de lui de fa\u00e7on n\u00e9gative en 1880, lorsqu\u2019une avalanche emporta la ferme qui se trouve en dessous du rocher et qui avait toujours \u00e9t\u00e9 \u00e9pargn\u00e9e jusque l\u00e0.<\/p>\n
– Les Pourrois. 1000 m. 40 min<\/p>\n
Comme la plupart des hameaux du vallon, celui-ci s\u2019est peu \u00e0 peu vid\u00e9. Cependant certains perp\u00e9tuent le traditionnel \u00e9levage de bovins et aussi de ch\u00e8vres, dont le fromage fait toujours la renomm\u00e9e des fermes rencurelloises.<\/p>\n
Nous vous recommandons d\u2019attendre encore un peu pour remplir vos gourdes. Apr\u00e8s 5 minutes de marche vous parvenez \u00e0 une intersection (point c\u00f4t\u00e9 982 m). Ne descendez par vers le Violon (route), mais continuez tout droit vers la borne \u00ab les Philiberts \u00bb. Le chemin se termine \u00e0 la ferme du Pinet. Suivez alors la route, traversez le hameau de Bellevue et parvenez en fin au centre du village. Vous logez \u00e0 l\u2019H\u00f4tel Le Marronnier 04 76 38 97 68.<\/p>\n
– Rencurel. 800 m. 40 min<\/p>\n
L\u2019origine de ce nom provient des falaises au-dessus du village qui longent toute la vall\u00e9e, et qui sont commun\u00e9ment appel\u00e9es \u00ab Ranc \u00bb dans le Vercors. Promenez vous dans le hameau, vous d\u00e9couvrirez par les dates grav\u00e9es sur les linteaux des portes d\u2019entr\u00e9e, l\u2019\u00e9poque o\u00f9 on \u00e9t\u00e9 \u00e9difi\u00e9es ou reconstruites la plupart des maisons des Coulmes (premi\u00e8re moiti\u00e9 du XVIII e 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