Clew Bay SAC wilderness guide
Special Area of Conservation · Mayo

Clew Bay SAC

Clew Bay SAC is a diverse coastal protected area in County Mayo, Ireland, known for its rich marine biodiversity, numerous islands, and scenic outdoor recreational opportunities such as kayaking and birdwatching.

Special Area of ConservationApprox. 13,0004+ Trails
DesignationSpecial Area of Conservation
Total Wilderness AreaApprox. 13,000
Elevation / TerrainDiverse Wilderness
Field Editorial Guide

About Clew Bay SAC

Clew Bay SAC is a diverse coastal protected area in County Mayo, Ireland, known for its rich marine biodiversity, numerous islands, and scenic outdoor recreational opportunities such as kayaking and birdwatching.

Wilderness Landscape & Natural Heritage

Clew Bay SAC (Special Area of Conservation) encompasses the sheltered waters and numerous small islands of Clew Bay, located along the west coast of Ireland in County Mayo. The bay features over a hundred islands, known as the Clew Bay islands, which create a complex and sheltered coastal environment supporting a variety of habitats including sandbanks, intertidal areas, marine lagoons, and rocky shores. These habitats are vital for numerous marine species, including rare and protected fauna like the common seal and various species of seaweeds, shellfish, and fish. The area's habitats also attract diverse seabird populations, making it an important spot for birdwatching.

Clew Bay's geographic layout offers excellent opportunities for outdoor recreation such as sea kayaking among the islands and exploring the sheltered inlets. The combination of wildlife watching, scenic boat trips, and walking along the coastline provides visitors a mix of relaxation and adventure. Nearby towns, such as Westport, provide access points and accommodations. The ecology of Clew Bay SAC is closely monitored to preserve the delicate balance of marine and coastal habitats, emphasizing sustainable tourism and responsible recreation. Its historical significance is also notable, with remnants of Viking activity and ancient settlements around the bay. Overall, Clew Bay SAC balances rich natural heritage with inviting, low-impact outdoor recreation appeal.

Field Guide · Special Area of Conservation
Adventure Destinations

Notable Destinations Near Clew Bay SAC

Scenic viewpoints, outdoor landmarks, and notable points of interest within 60 miles.

Key Wilderness Highlights

✦ The Clare Island Lighthouse and historic island settlements✦ Diverse marine habitats including important sandbanks and eelgrass beds✦ Seal colonies visible from shore and boat tours✦ Sea kayaking among the numerous sheltered islands
Wilderness Recreation

Outdoor Adventures in Clew Bay SAC

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

Park Recreation

Kayaking

Available in Clew Bay SAC
Park Recreation

Birdwatching

Available in Clew Bay SAC
Park Recreation

Hiking

Available in Clew Bay SAC
Park Recreation

Boating

Available in Clew Bay SAC
Park Recreation

Photography

Available in Clew Bay SAC
Park Recreation

Fishing

Available in Clew Bay SAC
Park Recreation

Wildlife Viewing

Available in Clew Bay SAC
Park Recreation

Nature Walks

Available in Clew Bay SAC
Park Recreation

Scenic Drives

Available in Clew Bay SAC
Park Recreation

Beachcombing

Available in Clew Bay SAC
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.

Passes & Fees

Entrance Requirements & Interagency Passes

Free public access; no permits required, though boat and kayak rentals may have fees

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

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

Louisburgh, County Mayo
⌖ 6.44 miles
Gateway Basecamp

Louisburgh, County Mayo

Louisburgh offers wild Atlantic adventures from Croagh Patrick hikes to sea kayaking and surfing on stunning beaches. Its rugged mountains, coastal waters, and peaceful town make it ideal for outdoor enthusiasts seeking authentic Irish wilderness.

Late Spring to Early Autumn
Explore Town
Burrishoole, County Mayo
⌖ 8.10 miles
Gateway Basecamp

Burrishoole, County Mayo

Burrishoole offers peaceful trails, rich angling waters, and coastal kayaking amid Mayo’s stunning rural landscapes. Perfect for travelers wanting quiet outdoor adventures off the typical tourist path.

Late Spring to Early Autumn
Explore Town
Newport, County Mayo
⌖ 8.67 miles
Gateway Basecamp

Newport, County Mayo

Newport in County Mayo is a gateway to wild Atlantic adventures, from hiking the Nephin Beg Mountains to kayaking Clew Bay’s island-studded waters. Perfect for those seeking tranquil landscapes and authentic outdoor experiences off the tourist trail.

Late Spring to Early Autumn
Explore Town
Mulranny, County Mayo
⌖ 8.76 miles
Gateway Basecamp

Mulranny, County Mayo

Mulranny is a charming coastal town in County Mayo, ideal for hiking, cycling, and paddling adventures. With the Great Western Greenway at its heart and stunning views of Clew Bay, it’s perfect for outdoor lovers seeking tranquility and scenic diversity.

Late spring to early autumn
Explore Town
Mulranny, County Mayo, Ireland
⌖ 8.76 miles
Gateway Basecamp

Mulranny, County Mayo, Ireland

Mulranny is a peaceful coastal village in County Mayo offering incredible hiking, cycling, and paddling along the scenic Great Western Greenway and Clew Bay. Ideal for outdoor lovers seeking rugged beauty and tranquil waters.

Late Spring to Early Autumn
Explore Town
Mulranny, Mayo
⌖ 8.76 miles
Gateway Basecamp

Mulranny, Mayo

Mulranny is a peaceful coastal town on Ireland's Wild Atlantic Way, ideal for hiking, cycling, paddling, and wildlife watching. Its blend of mountain and sea scenery offers memorable outdoor adventures year-round.

Late spring to early autumn
Explore Town
Expert-Led Wilderness Expeditions

Guided Experiences in Clew Bay SAC

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

Clew Bay by Rib: A Private-Picnic Run to Collanmore
ADVEXPEDITION
Westport, County Mayo
Sightseeing TourADV Bookable

Clew Bay by Rib: A Private-Picnic Run to Collanmore

A 1.5-hour high-speed rib outing from Westport that threads Clew Bay’s islands, brings close wildlife views and ends with a picnic on Collanmore Island.

Sightseeing TourPT2HCertified Outfitter
Bookable OnlineBook Trip
Clew Bay Cruise
ADVEXPEDITION
Westport, County Mayo
Sightseeing TourADV Bookable

Clew Bay Cruise

Set sail from Westport on a 90-minute cruise through Clew Bay’s islands and wildlife. Encounter seals, visit John Lennon’s Island, and hear tales of the Pirate Queen—an unforgettable maritime experience on the Atlantic coast.

Sightseeing TourAll Ages • 1hr 30mins • Discover the beauty and history of Clew Bay with our guided commentary!Certified Outfitter
Bookable OnlineBook Trip
Clare Island: A 20-minute Atlantic escape from Roonagh Pier
ADVEXPEDITION
Westport, County Mayo
Sightseeing TourADV Bookable

Clare Island: A 20-minute Atlantic escape from Roonagh Pier

A short daily ferry from Roonagh connects Westport visitors to Clare Island’s sandy harbour, dramatic cliffs and deep geological history—this guide distills what to expect and how to plan.

Sightseeing TourPT2HCertified Outfitter
Bookable OnlineBook Trip