rouge TD+ : 33 bis

Marbres à Cals is a challenging bouldering route located in the Potala area. This route is graded as "FB6a" and features a steep wall climbing style. It offers climbers an alternative to the 8th route of the Red circuit, making it a popular choice for those seeking a different and engaging climbing experience. Marbres à Cals is part of the Héron boulder, which boasts a total of 17 routes, each offering its unique challenges and rewards for climbers of all skill levels.

L'Angle Obtus is a challenging bouldering route located in the area of Potala. This route is graded with a difficulty level of "FB5+" and features a steep wall that presents climbers with a formidable challenge. Positioned as the 38th route of the Red circuit, L'Angle Obtus is one of the 1 route on the boulder named Oratoire. The accompanying topo image provides climbers with a visual guide outlining the general climbing direction for this demanding and rewarding problem.

Le Gruyère is a challenging bouldering route located in the area Potala. Graded as "FB5+", this route features a wall with crimps that test climbers' skill and strength. As the 41st route of the Red circuit, it is one of the 10 routes on the boulder named Prophétie. Climbers will find the topo image helpful for understanding the general climbing direction of this exciting and demanding problem.

Le Miroir is a challenging bouldering route located in the area of Potala. This route is graded with a difficulty level of "FB5+" and features a wall with crimps, providing an exciting and technical challenge for climbers. It is identified as the 32nd route of the Red circuit, positioned on the boulder named Klem alongside 13 other routes. The topo image of the route gives climbers a visual guide to the general climbing direction, enhancing the climbing experience on this dynamic problem.