In reply to llechwedd:
> Linking your post , and that of Glyno, I seem to recall that there is at least one recorded instance of otter tracks having been seen in the snow near the summit of Carnedd Llewelyn.There is often an abundance of frogspawn lying quite high up on the slopes of the Carneddau in wet ground. Analysing an otter spraint (found on a riverside rock at the bottom of my garden on the side of the Carneddau), the skeletal remnants showed that frogs formed the majority of their diet .I'd speculate that otters crossing watersheds is probably a lot more frequent than we realise.Over the years, I've also seen grey squirrels near the summits of several of the Welsh 3000' ers.
Your summary could be close to the mark. If you follow Rydal Beck from its start, high up on Fairfield it then flows down the valley towards the River Rothay which connects to Rydal Water ( I have seen otter on Rydal Water several times). On the other side of the plateau Deepdale and Dovedale Becks also have their source high up. Dovedale Beck as an example flows into Brothers Water and I have see an otter in that area.
The otter we seen was heading down Rydal Head so it had either come up from the River Rothay and then followed Rydal Beck up the Fell side maybe to forage for frogs as you do get them up there in the boggy ground at the base of the head wall and just carried on going up before turning around. Or, it was an otter that had been in either the Ullswater/Deepdale Beck or Brothers Water/Dovedale Beck water shed heading up and over the plateau to reach the River Rothay/Rydal Water/Grasmere/Windermere etc.
I was reading somewhere that Male Otters can travel 30km a day. What ever it was doing that day it was a great experience to view it from such close quarters.
Post edited at 23:40