
O'Sullivan's Cascade
Discover O'Sullivan's Cascade, a hidden gem in Killarney's Tomies Wood. Enjoy a serene woodland walk leading to a beautiful waterfall and tranquil lak...

Highlights
Must-see attractions
Social
From TikTok & Reddit
Best Time
Fewer crowds, more peaceful

O'Sullivan's Cascade
Best Time
Fewer crowds, more peaceful

Highlights
Must-see attractions
Discover O'Sullivan's Cascade, a hidden gem in Killarney's Tomies Wood. Enjoy a serene woodland walk leading to a beautiful waterfall and tranquil lake.
"Might have been the most charming natural site we saw in Ireland."

🥾 Wear Sturdy Footwear
The path to the cascade can be steep and wet; good grip is essential. :athletic_shoe:
💧 Check Weather Beforehand
Waterfalls are most impressive after rain, but trails can be slippery. ☂️

Quick Facts
Highlights
Discover the most iconic attractions and experiences

O'Sullivan's Cascade
Tomies Wood, Killarney National Park
A stunning, often secluded waterfall cascading into a serene lake. A true hidden gem.

Tomies Wood Walk
Killarney National Park
An enchanting woodland trail leading to the cascade, offering a peaceful nature immersion.

Lake at the Cascade Base
O'Sullivan's Cascade
Enjoy the quiet beauty and refreshing waters of the lake at the foot of the waterfall.
Plans like a pro.
Thinks like you
Planning Your Visit
Embrace the Woods and Water
Timing is Key for Tranquility
Best Times
Insider Tips
from TikTok, Instagram & Reddit
🥾 Wear Sturdy Footwear
The path to the cascade can be steep and wet; good grip is essential. :athletic_shoe:
💧 Check Weather Beforehand
Waterfalls are most impressive after rain, but trails can be slippery. ☂️
🏊♀️ Brave a Dip!
Some visitors enjoy a refreshing swim at the base of the cascade. :cold_face:
📸 Capture the Magic
Bring your camera for stunning woodland and waterfall shots. :camerawithflash:
Tips
from all over the internet
🥾 Wear Sturdy Footwear
The path to the cascade can be steep and wet; good grip is essential. :athletic_shoe:
💧 Check Weather Beforehand
Waterfalls are most impressive after rain, but trails can be slippery. ☂️
🏊♀️ Brave a Dip!
Some visitors enjoy a refreshing swim at the base of the cascade. :cold_face:
📸 Capture the Magic
Bring your camera for stunning woodland and waterfall shots. :camerawithflash:
🗺️ Follow the Signs
The walk is generally well-signposted within Tomies Wood. :world_map:
What Travellers Say
Reviews Summary
Visitors rave about O'Sullivan's Cascade as a charming, less crowded natural wonder in Killarney National Park. The walk through Tomies Wood is praised for its tranquility, and the cascade itself is described as beautiful and rewarding, with some even enjoying a swim in the lake. The main consideration is the steep descent to the cascade, which requires careful footing.
"Very much not a crowded area of the park, with a fairly simple walk through the woods until you get to the descent to the cascades, which are a bit steep for a while. But at the bottom, the waterfall is very beautiful, and might have been the most charming natural site we saw in Ireland"
Tom Blaney
"Really nice walk, not too long but you can extend. Waterfall is lovely and we had a dip which was super."
David Brunning
"Nice walk from carpark culminating in steep wooden steps with rope handrail , nearly half hour leisurely walk suitable to most people even low level fitness. Beautiful waterfall and I enjoyed a refreshing swim at base of fall."
Anne-Marie Galligan
What People Like
What People Dislike
Frequently Asked Questions
🚇 🗺️ Getting There
O'Sullivan's Cascade is located in Tomies Wood, near Killarney National Park. You can drive to the designated parking area for Tomies Wood. From there, it's a walk through the woods. Many visitors combine this with other Killarney attractions like the Gap of Dunloe or Muckross House as part of a broader Killarney road trip.
Yes, there is typically parking available at the trailhead for Tomies Wood, which serves as the starting point for the walk to O'Sullivan's Cascade. Arrive early during peak season to secure a spot.
While not directly on the main Ring of Kerry route, O'Sullivan's Cascade is a worthwhile detour for those exploring the Killarney area, which is often included in Ring of Kerry itineraries.
Public transport options directly to the trailhead are limited. It's best accessed by car. Consider guided tours that might include this stop if you're not driving.
The cascade is near Killarney, Co. Kerry. Killarney town offers amenities and is a popular base for exploring the national park and surrounding areas.
🎫 🎫 Tickets & Entry
Entry to O'Sullivan's Cascade and Tomies Wood is generally free, as it's part of Killarney National Park. There are no specific tickets required for this natural attraction.
Tomies Wood, being part of Killarney National Park, is typically accessible during daylight hours. There are no strict opening or closing times, but it's advisable to visit during daylight for safety and enjoyment.
Killarney National Park itself is free to enter. Attractions within the park, like O'Sullivan's Cascade, do not have separate admission fees.
While not as common as tours for major attractions, some local tour operators in Killarney may offer customized itineraries that include O'Sullivan's Cascade, especially for those seeking off-the-beaten-path experiences.
As a natural park area, visitors are expected to respect the environment. Stick to marked trails and avoid littering. During very wet periods, the steep sections might be more challenging.
🎫 🏞️ Onsite Experience
The walk from the car park in Tomies Wood to O'Sullivan's Cascade is approximately 1.5 to 2.5 hours for the loop, covering about 6km. It's a moderate hike with some steep sections.
The walk is considered moderately difficult. While the initial part through the woods is fairly simple, the descent to the cascade involves steep wooden steps with a rope handrail, which can be challenging for those with limited mobility.
Take your time on the walk through Tomies Wood, enjoying the forest atmosphere. At the cascade, appreciate the natural beauty and the serene lake. Some visitors enjoy a swim if conditions are right.
Restroom facilities are generally not available directly at the cascade or the Tomies Wood trailhead. It's advisable to use facilities in Killarney town before you set off.
Yes, some visitors have reported swimming in the lake at the base of the cascade. Be aware that the water is cold and the area can be slippery after rainfall.
📸 📸 Photography
The cascade itself, with its flowing water and surrounding greenery, is a prime subject. The woodland paths of Tomies Wood also offer beautiful, atmospheric shots. The lake at the base provides a serene foreground for the waterfall.
Early morning or late afternoon can offer softer light and fewer crowds. However, the dappled light filtering through the trees in Tomies Wood can create magical effects at any time of day.
A wide-angle lens is useful for capturing the full scope of the cascade and its surroundings. A telephoto lens can be good for isolating details of the water flow. A polarizing filter can help manage reflections on the water and enhance colors.
Drone usage in national parks can be restricted. It's essential to check the latest regulations for Killarney National Park regarding drone operation before flying.
Experiment with different perspectives from the base of the cascade, looking up. Also, capture the journey through the woods, framing the cascade within the trees. The lake offers a unique viewpoint.







Social
from TikTok, Instagram & Reddit