Glenmacnass Waterfall

This is a short roadside scenic stop at Glenmacnass Waterfall in the Wicklow Mountains, on the R115 Old Military Road between Sally Gap and Laragh. The water drops down a wide face of exposed rock, with an approximate cumulative height of around 80 metres, then runs off into the valley below. It suits a brief stop rather than a long visit.

The car park sits above the waterfall, not beside it, and the mapped waterfall point and the car-park point are not the same coordinate. From the parking area it is about a two-minute walk down toward the water. If your map pin drops you at the waterfall itself, look uphill for the parking area rather than stopping on the carriageway. Walking a little way back down the road toward Laragh opens up the view of the cascade and the valley.

• Flow is generally stronger after wet weather, so the falls tend to look their best in the days following heavy rain. In a dry spell the rock face shows through and the water thins out.
• The spot is open and exposed, so low cloud, mist or driving rain can mute the view entirely. Check the sky before committing to the drive.
• For photos, a wider lens handles the full drop plus the valley below, and the view from the road below the falls gives more depth than the view from directly above. Overcast light works well for water and wet rock.

• Sturdy shoes, since the ground near the water is rock and can be wet and slick.
• A windproof or waterproof layer, because the weather in these uplands changes quickly.
• Anything you want to eat or drink, and take your rubbish with you. Treat this as a stop with parking only, with no verified toilets, drinking water, food or staffed service.

The waterfall sits on privately owned land, and getting close to the base means crossing fences and trespassing, so do not cross fences or scramble down. Enjoy it from the parking area and the short public approach. Wet rock near fast water is genuinely slippery, so keep back from edges and keep children and dogs close. If you walk along the road for better angles, remember it is narrow with little to no shoulder and carries passing traffic, so walk facing traffic, stay single file, and stay well clear when vehicles pass.

This is a viewpoint, not a walk. There is no formal waterfall trail here, and visitors expecting a proper hike from the parking area may come away disappointed. Longer hill routes in the wider area pass nearby, but they are separate from this stop and should not be treated as marked access to the falls.