Hill of Tara 40
Image by otuathail3

<i>Can anything be done about the gate?</i>

Don't think so, you could try asking whoever looks after it now, modern version of the Duchas I guess.

The bars on the gate are quite wide, I think it can add to shots, interpret it how you will... although I'd give my eye teeth just to spend some time inside!

I also wish they'd stop people walking over the top of it all the time...

Rune

Once a year they do stop people walking all over it for a while: http://www.megalithomania.com/show/image/4066

They also have to rebuild the mound at the sides of the entrance every now and then.