Glendalough Valley Walk
A gentle 3-kilometer walk along ancient monastery grounds with minimal elevation change.
Devils Glen Waterfall Loop — Complete Beginner's Guide
This is the trail you'll want to start with. It's just 4 kilometers, mostly flat, and the views are worth every step. We've broken down exactly what to expect, where to stop, and how to tackle the few steeper bits safely.
Why Devils Glen Is Perfect for Starting Out
Devils Glen isn't just another waterfall hike — it's a confidence builder. The loop works beautifully for people getting back into walking after time away. You're not scrambling over rocks or pushing up steep climbs for hours. Instead, you're getting a proper walk with a real payoff at the end.
The waterfall itself drops about 40 meters into a narrow gorge. It's dramatic enough to make you feel like you've accomplished something, but the route there is manageable. Most people complete it in 1.5 to 2 hours, depending on how long you linger at the waterfall.
Getting There and Getting Started
The trailhead sits near Ashford in County Wicklow, about 45 minutes south of Dublin. There's a small car park right at the entrance — you won't be hunting for a spot or adding 20 minutes of walking before the walk even starts. That matters when you're testing yourself.
The path begins gently. You're walking through mixed woodland, and the gradient is so subtle that you'll barely notice it at first. This is intentional. Your legs are warming up, your breathing's settling, and you're not immediately tired before the interesting bits begin.
Pro tip: Wear layers. The woodland keeps things cool, but once you're moving you'll warm up quickly. A fleece you can tie around your waist works perfectly.
Breaking Down the Route Into Stages
The 4-kilometer loop naturally divides into three manageable sections. Knowing where these transition points are takes the pressure off.
1
The Approach (1 km)
Woodland walking, gentle descent. You're finding your rhythm here. The path is wide and clear. Stop whenever you need to — there's no rush and no one's watching. This section ends where you'll hear the sound of water.
2
The Gorge (1.2 km)
This is where it gets interesting. The path steepens slightly, but you're following the river. There are a few steps down toward the waterfall viewing point. Your knees will tell you it's steeper, but it's only about 80 meters of real climbing back up on the return.
3
The Return (1.8 km)
You're heading back uphill now, but it's gradual. The hardest bit is right after leaving the waterfall — about 10 minutes of noticeable climbing. After that, you're back in the easier woodland section, and you can feel the end approaching.
Watch Your Footing on the Steeper Sections
The most important thing on this trail isn't fitness — it's footwork. About 400 meters of the route involves steeper, rockier ground. The rocks are often wet from the gorge spray. That's not a disaster, but it's where people stumble.
Wear shoes with real grip. Not trainers that look sporty but feel like socks on wet stone. Proper hiking boots or trail shoes with rubber soles that actually grip. Your ankles will thank you, and you'll move with more confidence. Honestly, this changes the whole experience.
Take your time on these sections. There's no prize for speed. Step carefully, watch where you're placing your feet, and use the rope handholds if they're there. You'll notice your confidence building as you realize it's not that steep once you're moving deliberately.
Important Note
This guide is for informational purposes. Weather and trail conditions change regularly — wet weather makes the rocky sections genuinely slippery. Check current conditions before you go. If you've had recent injuries or health concerns affecting balance or endurance, consider consulting a doctor before attempting any trail walk. Everyone's fitness level is different, and that's completely normal.
What to Actually Bring
You don't need to pack your entire house. Bring water — at least one full bottle. The walk's only 4 kilometers, but you're climbing. Bring a light snack. Even just a banana or some energy bar. You'll be surprised how much better you feel at the waterfall when you've had something.
- Proper hiking shoes or boots with grip
- Water bottle (500ml minimum)
- Phone or whistle (just in case)
- Light windproof layer
- Snack for energy
That's genuinely it. Don't overthink it. The car park's only 20 minutes away if you forget something, and the walk isn't in remote wilderness. It's a managed trail in a popular area.
