Following in wicklore's footsteps, I accessed Mount Oriel from the same service track mentioned in his comment. Note that I wouldn't take a normal family car up this track, as some of the potholes are now quite deep and the track is becoming quite eroded in places. There isn't really anywhere to park on the main road, so perhaps a better idea might be to park in Collon and walk up from there to make something of a walk of the experience.
Cows had replaced the frolicking lambs of wicklore's serene scene, and not thinking much of it, I went through the gate and up to the trig pillar. The bovines seemed to be paying me a lot more attention to me than I'd ever experienced previously, and before I knew it I was surrounded by a group of increasingly agitated and aggressive cows. GPS reading taken, and after firing a quick few shots off on the camera, I beat a retreat, which quickly deteriorated into a panicked rout, with me being knocked off my feet by the most aggressive of the cows.
I managed to escape relatively unscathed, leaping over the fence with greater energy than I would have thought possible, but the whole incident was quite frightening, all the more because it was so unexpected. If there are any cattle farmers reading this, after you've finished chuckling at me, the hapless townie being chased off the land by a herd of cows, I'd be interested to hear if this is a common occurance. I don't normally walk through livestock fields anyway, so wouldn't have a whole lot of experience of cows close-up. I certainly won't be doing it again! Linkback: mountainviews.ie/summit/1002/comment/5933/