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Photography · Hauts-de-France, Hauts-de-France

Baie de Somme — Seals and Reflections

  • Best timeLow tide at dawn (check tide tables)
  • LightingSoft dawn light on wet sand at low tide gives strong reflections.
  • Difficultyeasy
  • Best seasonOctober–February for seal pups; August for sunsets

The Baie de Somme, on the Picardy coast of Hauts-de-France, is a wide estuary of sand flats, salt marsh and tidal channels, and Le Hourdel, reached by the Chemin des Douaniers near Cayeux-sur-Mer, sits at the southern edge of the bay. The point is known for its colony of grey and harbour seals that haul out on the sandbanks at low tide.

The Baie de Somme, on the Picardy coast of Hauts-de-France, is a wide estuary of sand flats, salt marsh and tidal channels, and Le Hourdel, reached by the Chemin des Douaniers near Cayeux-sur-Mer, sits at the southern edge of the bay. The point is known for its colony of grey and harbour seals that haul out on the sandbanks at low tide. The typical frame looks out across the flats with the seals as midground subjects, the shining wet sand as foreground reflecting the sky, and the far shore of the bay in the background. Low tide at dawn gives the best conditions: the flats are exposed, the light is soft and the water left in the channels mirrors the sky. Because the sun rises over the land, side and back light create a gentle glow on the sand and water, and calm, clear mornings give the strongest reflections. October to February is best for seal pups, while August sunsets offer colour over the bay. Tide tables must be checked before any visit, since the tide rises quickly across the flats and walking out on the sand is dangerous; photographers should stay on marked paths and observe the seals from a distance. Seals are protected, so approaching closely is discouraged and a 100–400mm telephoto lens is the standard tool, with a tripod for stability. A waterproof bag protects kit from spray and wet sand. The spot is quiet at dawn, becoming busier with walkers and boat trips later in the day. Access is free, and tripods are permitted on the public path. Drones can disturb the seals and are restricted in the protected bay. Restrooms and water are in Le Hourdel and Cayeux-sur-Mer.

Practical information for Baie de Somme — Seals and Reflections · Last updated September 2026
Best time Low tide at dawn (check tide tables)
Best season October–February for seal pups; August for sunsets
Difficulty easy
Address Chemin des Douaniers, 80410 Cayeux-sur-Mer

Shooting notes

Equipment
Telephoto 100–400mm for seals, Tripod, Waterproof bag

Location

Chemin des Douaniers, 80410 Cayeux-sur-Mer

50.1793, 1.5656 View on map

Highlights

  • Seals hauled out on exposed sandbanks at low tide
  • Mirror reflections in the tidal channels
  • Soft dawn light across the estuary
  • August sunsets over the bay

Tips for visiting

  • Check tide tables before every visit; the tide returns quickly.
  • A 100–400mm telephoto keeps a respectful distance from seals.
  • Use a tripod and carry a waterproof bag.
  • Stay on marked paths and do not walk far onto the flats.
  • Arrive before dawn at low tide for the calmest water.
  • Restrooms and water are available in Le Hourdel and Cayeux-sur-Mer.

When to visit

Low tide at dawn, with October to February for seal pups and August for sunsets. Always check tide tables first.

Accessibility

The viewpoint is reached by a flat path near Le Hourdel without a hike. Sand and shingle sections may be difficult for wheelchairs.

Frequently asked questions

When is the best time to see seals at Le Hourdel?

Low tide, especially at dawn, when seals rest on the sandbanks. October to February is best for pups.

Is it safe to walk out on the flats?

The tide rises quickly and can cut off routes, so stay on marked paths and check tide tables. Guided walks are available locally.

What lens is needed for the seals?

A telephoto of 100–400mm is typical. It allows frames without disturbing the animals.

Are drones allowed?

Drones can disturb seals and are restricted in the protected bay. Check local rules before flying.