The bay flats at low tide

When the tide goes out, the bay around Mont-Saint-Michel empties for kilometres, leaving wet sand, ribbons of standing water and mirror-flat pools that hold a perfect reflection of the mount. A couple alone on the flats with the abbey stacked behind them is the photograph this place exists for — minimal, enormous, and impossible at high water.

The tide tables are not trip planning here, they are safety equipment. The bay has some of the largest tidal ranges in Europe and the water returns fast — famously faster than a comfortable walking pace across the flats — and there are areas of soft, unstable sand. The working rule: the near flats immediately around the mount, on a falling tide, with the times checked that morning; anything further into the bay only with one of the licensed local guides who cross it daily. Photographers who work here know the windows — lean on them.

For light, both ends of the day deliver. Dawn puts soft colour into the wet sand with almost nobody around; dusk silhouettes the abbey and lets its lights come on in the last frames. Expect to shoot barefoot or in boots, and expect everyone's feet to be grey with sand — bring water and a towel for the walk back.