How do you access Basse Grilhed?

Basse Grilhed is best reached from a Lanildut-area dive operator by boat.

What marine life is common at Basse Grilhed?

Lobsters and octopus shelter in the faults and under the rocks, with kelp and reef growth around them.

When should you dive Basse Grilhed?

Late spring through early autumn is the safest operational window for local boat diving in this part of Iroise.

Why is Basse Grilhed considered an advanced dive?

Basse Grilhed combines a deeper drop-off, rocky relief, and kelp-covered structure that suit experienced scuba divers.

Dive Spot Guide•

Basse Grilhed

Kelp drop-off south of Aber Ildut

Scuba Diving BoatAdvanced

Kelp forest Reef

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Rocky Iroise drop-off with a kelp plateau, sheltering cracks, and an experienced-diver profile.

About Basse Grilhed

Basse Grilhed is a rocky Iroise drop-off south of Aber Ildut where the reef eases from a shallower edge into a deeper kelp-covered plateau. Faults and rock ledges are coated in dense growth and shelter lobsters and octopus, making this a rewarding advanced scuba dive for divers who are comfortable with depth, buoyancy, and open-water rock terrain.

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Research Estimate At Basse Grilhed

Conservative baseline from public research. No community dives logged yet.

AccessModerate entry effort

Aquatic LifeAverage variety

FacilitiesBasic facilities

Crowd / PopularityFew visitors

Where Is Basse Grilhed?

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Map imagery © Mapbox

Community sourced coordinates.

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Basse Grilhed Planning Details

Depth range, seasonality, and planning context.

Reported Depth

14m - 40m

Depth Note

Drop-off begins in the mid-teens and eases toward a kelp plateau around forty metres.

Best Season

late spring through early autumn

Typical Conditions

Rocky kelp terrain with a steady drop-off and tide-influenced Iroise water.

Safety & Access At Basse Grilhed

Site conditions, restrictions, and access requirements.

Safety Notes

Plan gas and depth limits for a dive that can reach around 40 m, and use care around rocky faults and crevices.

Access Restrictions

Best for experienced scuba divers; the depth and rock relief call for disciplined buoyancy.

Legal Notes

Follow local marine-park and operator guidance, and avoid disturbing the rocky habitat and sheltering life.

Local Intel For Basse Grilhed

Community notes to help plan your visit.

Scuba Diving

Experienced scuba divers can work the rocky relief and kelp plateau with slow, controlled exploration.

Freediving

Not a freedive site.

Snorkeling

Not a snorkel site.

Recent Logged Visits At Basse Grilhed

Community dive logs and visit reports for this site.

Dive Spot Log Averages At Basse Grilhed

Average conditions based on logged dives & visits.

No community dive data has been logged here yet. Be the first to record a dive and seed the averages.

Dive Spot Guide•Western Brittany (Brest, Crozon and the Iroise Sea)

Basse Grilhed

Kelp drop-off south of Aber Ildut

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Basse Grilhed Guide - Frequently Asked Questions

Planning answers for access, conditions, timing, and site logistics.

Basse Grilhed Guide - Sources and Updates

Last Updated Jun 23, 2026

Research Sources

parc-marin-iroise.fr · Official

Official Iroise page on kelp habitat and marine life.

www.iroise-bretagne.bzh · Tourism

Official tourism listing with seasonal opening window.

www.madeoplongee.fr · Operator

Lanildut-based dive center serving Iroise sites by boat.

www.scubaspotadvisor.com · Dive Directory

Directory listing for the Maritime Zone site.

Basse Grilhed - Dive Spot Details & Conditions | DiveJourney

Basse Grilhed

About Basse Grilhed

Research Estimate At Basse Grilhed

Where Is Basse Grilhed?

Featured Operators

Basse Grilhed Planning Details

Safety & Access At Basse Grilhed

Local Intel For Basse Grilhed

Recent Logged Visits At Basse Grilhed

Dive Spot Log Averages At Basse Grilhed

Basse Grilhed

Nearby Operators

Basse Grilhed Guide - Frequently Asked Questions

How do you access Basse Grilhed?

What marine life is common at Basse Grilhed?

When should you dive Basse Grilhed?

Why is Basse Grilhed considered an advanced dive?

Basse Grilhed Guide - Sources and Updates

Basse Grilhed

About Basse Grilhed

Research Estimate At Basse Grilhed

Where Is Basse Grilhed?

Featured Operators

Basse Grilhed Planning Details

Safety & Access At Basse Grilhed

Local Intel For Basse Grilhed

Recent Logged Visits At Basse Grilhed

Dive Spot Log Averages At Basse Grilhed

Nearby Operators

Spots Near Basse Grilhed

Tombant an Eor

Le Lieu

Basse Breton

Garo Belen

Le Sturn

Le Mur des Linioux

Basse Grilhed Guide - Frequently Asked Questions

How do you access Basse Grilhed?

What marine life is common at Basse Grilhed?

When should you dive Basse Grilhed?

Why is Basse Grilhed considered an advanced dive?

Basse Grilhed Guide - Sources and Updates

Spots Near Basse Grilhed

Tombant an Eor

Le Lieu

Basse Breton

Garo Belen

Le Sturn

Le Mur des Linioux