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Special Area of Conservation · County Mayo, Ireland

Clew Bay SAC (Special Area of Conservation)

Clew Bay SAC is a protected marine and coastal area known for its rich biodiversity and numerous small islands, offering unique opportunities for marine wildlife observation and coastal exploration.

Special Area of ConservationApproximately 17,000 acres (6,900 hectares)4+ Trails

Designation

Special Area of Conservation

Total Wilderness Area

Approximately 17,000 acres (6,900 hectares)

Elevation / Terrain

Diverse Wilderness

Field Editorial Guide

About Clew Bay SAC (Special Area of Conservation)

Clew Bay SAC is a protected marine and coastal area known for its rich biodiversity and numerous small islands, offering unique opportunities for marine wildlife observation and coastal exploration.

Wilderness Landscape & Natural Heritage

Clew Bay SAC (Special Area of Conservation) is located along the northwest coast of County Mayo, Ireland. It encompasses Clew Bay, a large bay dotted with around 365 islands, known colloquially as "the islands of Clew Bay." The SAC covers a mosaic of habitats including marine waters, seaweed beds, sandbanks, mudflats, rocky shores, and coastal areas that support a diverse array of flora and fauna. The bay is particularly important for its extensive intertidal mudflats and sandbanks which provide prime feeding grounds for migratory birds and nursery habitats for fish species. Key ecological interests include otters, harbor porpoises, seals, and notable bird species such as the common tern and peregrine falcon. Historically, Clew Bay has been influential in Irish heritage, with archaeological sites like old monastic settlements and medieval castles scattered around its coastline and islands. Visitors to the area are drawn to its serene natural beauty and opportunities for kayaking, birdwatching, hiking along the coastal routes, and island hopping by boat. The combination of rich biodiversity, scenic landscapes, and cultural landmarks makes Clew Bay SAC a cherished destination for nature lovers and outdoor enthusiasts. Conservation efforts focus on protecting the sensitive habitats and species from human disturbance and environmental pressures, supporting sustainable use and ecological research throughout the bay.

Field Guide · Special Area of Conservation
Adventure Destinations

Notable Destinations Near Clew Bay SAC (Special Area of Conservation)

Scenic viewpoints, outdoor landmarks, and notable points of interest within 30 miles.

Discover Achill Island★ 8.5⌖ 17 miScenic Exploration
Achill Island

Discover Achill Island

Discover Achill Island located in County Mayo, Ireland. Known for its dramatic coastline and cultural heritage, it offers scenic exploration, hiking, and snorkeling. Best visited in spring and fall, it's perfect for adventure seekers looking for tranquility.

Scenic ExplorationView Details→
Connemara's Natural Majesty★ 8.4⌖ 19 miHiking
Connemara National Park

Connemara's Natural Majesty

Explore Connemara National Park near Galway, Ireland, offering diverse hiking trails with wildlife viewing. With its rugged landscapes and stunning vistas, this park is ideal for nature lovers. Visit during spring and fall for a quieter experience.

Majestic Peaks of Benwiskin★ 7.8⌖ 58 miHiking
Benwiskin

Majestic Peaks of Benwiskin

Explore the Majestic Peaks of Benwiskin in Sligo, Ireland. Known for its moderate trails and panoramic vistas, this mountain peak is a photographer's delight. Ideal for those seeking tranquility and a connection with nature.

Cliffs of Moher, Ireland★ 9.5⌖ 58 miHiking
Cliffs of Moher

Cliffs of Moher, Ireland

Explore the iconic Cliffs of Moher in County Clare, Ireland. This scenic viewpoint offers breathtaking Atlantic views and is ideal for hiking and birdwatching. Visit during spring or fall for milder weather and fewer crowds. Not wheelchair accessible; watch for steep drop-offs.

Majestic Cliffs of Moher: A Natural Marvel★ 9.2⌖ 58 miHiking
Burren and Cliffs of Moher UNESCO Global Geopark

Majestic Cliffs of Moher: A Natural Marvel

Explore the Cliffs of Moher in County Clare, Ireland, featuring striking views over the Atlantic. Reachable via drive-in. Visit in spring for flowering orchids and bird watching. Sea kayaking offers a unique perspective. Generally busy in summer.

The Enchanting Landscape of Burren National Park★ 8.8⌖ 62 miHiking
Burren National Park

The Enchanting Landscape of Burren National Park

Explore Burren National Park's enchanting limestone landscape in County Clare. Known for its distinct flora, this spot is perfect for hikers and photographers. Best visited in spring during flower bloom, offering serene views year-round.

Key Wilderness Highlights

✦ Clew Bay's unique archipelago of over 350 islands and islets✦ Diverse marine habitats including seaweed beds and sandbanks rich in ecology✦ Important wildlife sighting opportunities for seals, otters, and seabirds✦ Historical sites including Clare Island with its castle ruins and monastic remains
Wilderness Recreation

Outdoor Adventures in Clew Bay SAC (Special Area of Conservation)

Explore curated guides for top outdoor sports, trail networks, and wilderness activities.

Park Recreation

Hiking

Available in Clew Bay SAC (Special Area of Conservation)
Park Recreation

Wildlife Viewing

Available in Clew Bay SAC (Special Area of Conservation)
Park Recreation

Kayaking

Available in Clew Bay SAC (Special Area of Conservation)
Park Recreation

Photography

Available in Clew Bay SAC (Special Area of Conservation)
Park Recreation

Birdwatching

Available in Clew Bay SAC (Special Area of Conservation)
Park Recreation

Boating

Available in Clew Bay SAC (Special Area of Conservation)
Park Recreation

Fishing

Available in Clew Bay SAC (Special Area of Conservation)
Park Recreation

Cultural Heritage Tours

Available in Clew Bay SAC (Special Area of Conservation)
Park Recreation

Nature Study

Available in Clew Bay SAC (Special Area of Conservation)
Park Recreation

Scenic Drives

Available in Clew Bay SAC (Special Area of Conservation)
The Ranger Station

Visitor Logistics & Essential Planning

Everything you need to know about entrance passes, seasons, visitor centers, road transit, and wildlife safety in Clew Bay SAC (Special Area of Conservation).

Passes & Fees

Entrance Requirements & Interagency Passes

No permits required; free public access

Wilderness Checklist

Carry paper topographic map & compass in remote zones.
Store all food and scented items in approved bear canisters.
Check wildfire / smoke advisories before backcountry departure.
Pack out everything you pack in (Leave No Trace).
Adventure Basecamps

Gateway Towns Near Clew Bay SAC (Special Area of Conservation)

Stay, dine, and gear up in these mountain towns and scenic basecamps surrounding the park.

Louisburgh
⌖ 5.11 miles
Gateway Basecamp

Louisburgh, County Mayo

A rugged Atlantic coastal town offering a blend of wild seaside adventures, rolling hills, and pristine freshwater lakes, perfect for active travelers craving solitude and raw natural beauty.

Late Spring to Early AutumnExplore Town
Westport Industrial Park
⌖ 6.71 miles
Gateway Basecamp

Westport Industrial Park, County Mayo

A gateway location combining local industry with immediate access to Westport's vibrant outdoor adventure scene and the nearby Wild Atlantic Way coastline.

Late Spring to Early AutumnExplore Town
Westport Demesne
⌖ 7.12 miles
Gateway Basecamp

Westport Demesne, County Mayo

A vibrant blend of heritage landscapes and active outdoor pursuits with stunning coastal and mountain backdrops just on the town’s doorstep.

Late Spring to Early AutumnExplore Town
Westport
⌖ 7.25 miles
Gateway Basecamp

Westport, County Mayo

A charming coastal town offering vibrant outdoor pursuits with rugged mountain landscapes, scenic coastline, and rich green countryside.

Late Spring to Early AutumnExplore Town
Westport
⌖ 7.25 miles
Gateway Basecamp

Westport, County Mayo

A picturesque coastal town with a perfect blend of breathtaking landscapes and vibrant culture, ideal for outdoor enthusiasts.

Spring and SummerExplore Town
Newport
⌖ 8.59 miles
Gateway Basecamp

Newport, County Mayo

A peaceful coastal town offering rich outdoor experiences with rugged coastline, serene lakes, and nearby mountain trails ideal for nature enthusiasts and adventurers.

Late Spring to Early AutumnExplore Town
Expert-Led Wilderness Expeditions

Guided Experiences in Clew Bay SAC (Special Area of Conservation)

Explore scenic backcountry routes and epic wilderness adventures with certified local mountain guides, naturalists, and outfitters.

12 bookable experiences

Availability, pricing, meeting details, and fulfillment are provided by the applicable operator or booking partner.