Dún Dúchathair (Black Fort)

An amazing and underrated location. It’s a roughly 3000 year old ring fort perched on a cliff (be careful!). The smaller structures inside are clocháns, ancient stone houses. The black limestone it’s made of is very impressive. Be aware that to reach it you have to walk 1 km over rather rough ground.

Fantastic experience and stunning views of the cliffs. Very quiet, almost nobody seems to choose this trail, whereas the island is very touristy elsewhere.

Great trip up to the black fort. We took the ferry from Galway (about 2 hours there and 3 hours back) and hiked up from the ferry dock. Takes about an hour to get to the area and another 90 minutes or so to explore. Just gorgeous rugged nature. The stark cliffs and black rock ruins make it even more beautiful. Definitely wear rugged shoes and watch your step. It would be very easy to hurt your ankle in between the stones. No guides and very little signage. No railings, no facilities, not accessible except on foot. 100% worth the trip.

Can’t miss. This and the far west lighthouse viewpoint are the highlights of the island for me. Can’t even describe the scale of the view in words or pictures, you have to see it. Definitely a bumpy hike - not rock scrambling, but not smooth ground, so wear good shoes.

Not a pleasant hike through uneven rocky surfaces. And the signs are a bit misleading. But nice views once you get there. I'll skip this if you've already been to the other big fort.

Love it out here... It's a bit of a trek, but so nice to see all the views. Lots of stone monuments made along the way to remember loved ones. You'll probably need to push your bike the last 500m on the stone road and then it's about another 500m of a walk. Well worth it for the views though

This setting takes scenery to a completely different level. The fort is set on a small isthmus projecting out into the roaring sea below. One truly wonders why forts of this magnitude were constructed in such remote, harsh and windswept locations. On the day I was there, I hiked all the way up to Dún Aonghasa, such an experience is simply beyond words.

Unique place on the diverse island. This place is only reachable by foot. The end of the walk is stunning. You walk on a big field full of rocks. Be careful and ware proper walking shoes. Stone can be slippery and aren’t fixed. In the end you can see all the cliffs around.