This site is just off the road on the Slea Head drive. When we visited in September 2009 there was a charge of €2.50 to see it. You also get a photocopied information sheet
Its a nice site but not worth that kind of cover charge.
The audio-visual experience is extra, we didnt go for this however.
30 foot section of this fort collapsed into the sea last weekend during the recent storms, site is closed to the public while the OPW investigate, RTE news say it may never be reopened
What a shame... liked it. But guess that's the nature of cliff forts. See 'em while you can.