bleu D : 1 bis

Bouldering route Bleu D : 1 bis in Nainville is a moderate climb graded as "FB4-". This route is set on a wall and offers a challenging yet achievable climb for boulderers. Serving as an alternative to the first route of the Blue circuit, it provides a different experience for climbers. The route is located on the boulder named Chaufferette, one of four routes available in the area.