OSullivans Cascade isn't just spectacular to look at — it sounds pretty special too. Find somewhere to sit, close your eyes and listen to the water cascading down.

Situated in Killarney, this cascade of water is worth a visit. But you'll find tons more to discover in this area. Gap of Dunloe, INEC Killarney, and Killarney National Park aren't too far away from O'Sullivan's Cascade.

Plan a trip to see O'Sullivan's Cascade

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Wild Atlantic Apartments Killarney

Ballycasheen

per person

Jul 6 - Jul 10

found 13 hours ago

Roundtrip non-stop flight included

Boston (BOS) to Shannon (SNN)

7.8/10 Good! (100 reviews)

Worked well for our needs

Reviewed on Apr 4, 2025

Killarney retreat

per person

Jul 6 - Jul 10

found 13 hours ago

Roundtrip non-stop flight included

Boston (BOS) to Shannon (SNN)

10/10 Exceptional! (1 review)

Ard Ri House Hotel

per person

Jul 2 - Jul 6

found 1 day ago

Roundtrip non-stop flight included

Indianapolis (IND) to Shannon (SNN)

9/10 Wonderful! (165 reviews)

Excellent value for money and friendly staff always happy to help. Would always reccomend. Stayed there a feel times now. Never disappointed,

Reviewed on Feb 2, 2025

Browse tours and tickets to explore O'Sullivan's Cascade

Tours & day trips

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1-Day Ring of Kerry Rail Tour

Free cancellation available

Wildlife & nature

See all 18 activities

1 Hour Guided Carriage Tour in Killarney National Park

Free cancellation available

Water activities

See all 7 activities

Lakes of Killarney: Boat Cruise

Free cancellation available

Food, drink & nightlife

See all 3 activities

The Best of Killarney Views & Brews

Free cancellation available

Popular places to visit

Such a peaceful park with amazing views from and also above lakeside.
#nationalpark #blue #waterlust #BestOf5

Lough Leane

5/5(16 reviews)

Commune with nature and explore the great outdoors at Lough Leane during your travels in Killarney. Discover the area's great live music, or seek out its local tours.

Ross Castle

4.5/5(127 reviews)

Standing guard over the lake, this silent ruin provides a glimpse of life in an Ireland that was often a land of warring clans.

Gap of Dunloe

5/5(90 reviews)

As pretty as a postcard and only reachable by slow travel, this pass gives you time to breathe the clear air and see the beauty of every wildflower.

Mucross Lake was quiet, tranquil, desolate... aaand upside down!
#nationalpark #waterlust #Green

Muckross Lake

Explore the great outdoors at Muckross Lake, a lovely green space in Killarney. Amble around the area's scenic parks or seek out the local tours.

Killarney Cathedral showing heritage elements, heritage architecture and a church or cathedral

St. Mary's Cathedral

4.5/5(88 reviews)

In a green field stands an impressive cathedral especially beloved by its townsfolk. Inside, find a welcoming community church decorated with beautiful stained glass.

Innisfallen Island

Commune with nature and explore the great outdoors at Innisfallen Island during your travels in Killarney. Experience the area's great live music and entertainment choices.