It seems to be on the right as you drive north into Crief
http://uk.multimap.com/map/browse.cgi?grid=NN859201&scale=50,000&title=Crieff
for a closer look http://uk.multimap.com/map/browse.cgi?grid=NN859201&scale=25,000&title=Crieff
Maybe I didn't notice it until later. Guess I'll just have to go up an have another look :-)
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