Sacha Traversées
Sacha Martinache leads narrated walks and crossings, with two-to-six-hour options, quicksand discovery, and routes toward Tombelaine, timed with the tides.
About Sacha Traversées
Discovering the bay on foot
Sacha Traversées is the guiding activity of Sacha Martinache, a local certified guide for walks in Mont-Saint-Michel Bay. The website lists short discovery walks, outings to learn about quicksand, and longer crossings scheduled around the tides.
From Tombelaine to a full crossing
Published options include a walk of about two hours, a three-hour outing to Tombelaine, and a crossing of roughly six hours. Route and departure point depend on the calendar, tide, and selected trip; some options are designed for families, while others require greater fitness.
Guide and reviews
The website says Martinache holds the state-recognized skills certificate for guiding in the bay and limits regular groups to 35 people. On October 8, 2026, the Sacha Traversées Google Maps listing showed 5.0 stars from 674 reviews.
Planning the outing
Check the calendar before choosing a date, review each option’s length and difficulty, and confirm clothing and meeting point with the guide.
Nature walks with a certified local guide
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