Freezing day around Loch an Aon Aite

Had a cold afternoon today in the middle of all the lochans around Loch an Aon Aite : much more footprints of deers than of fishermen, here ! It seems that these lochs aren't that much fished. It needs around 75 minutes from the road to the biggest of these lochans, the one which looks like a devil's head's profile, east of Loch an Aon Aite. There, I took very small trouts on wet flies. I tried four other lochans (even the one "looking like a fish" from the June 4th comment), but had nothing. Poor fishing, today...
Jérôme D.