The spread is genuinely broad: 8 routes rated easy, 27 moderate and 7 hard or harder. The terrain that comes up most often is forest, lake, wildlife watching. Around 74 percent are circular routes, so parking once is usually an option.

The most reliable season overall is may to october. Start with Circuit du Petit Sapin or Tour des Marches de Bretagne if you want the highlights without a lot of research.