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 the ugliest of all occupying a pan and having no visible outlet The Redlake mires are also disposed to be nasty in a wet season, and should be avoided at all times. Anyone having a fancy to study the mires and explore them for bog plants will find an elegant selection around Wild Tor, to be reached by ascending Taw Marsh and mounting Steeperton Tor, behind which he will find what he desires.

"On the high tableland," says Mr. William Collier, "above the slopes, even higher than many tors, are the great bogs, the sources of the rivers. The great northern bog is a vast tract of very high land, nothing but bog and sedge, with ravines down which the feeders of the rivers pour. Here may be found Cranmere Pool, which is now no pool at all, but just a small piece of bare black bog. Writers of Dartmoor guide-books have been pleased to make much of this Cranmere Pool, greatly to the advantage of the living guides, who take tourists there to stare at a small bit of black bog, and leave their cards in a receptacle provided for them. The large bog itself is of interest as the source of many rivers; but there is absolutely no interest in Cranmere Pool, which is nothing but a delusion and a snare for tourists. It was a small pool years ago, where the rain water lodged; but at Okement Head hard by a fox was run to ground, a terrier was put in, and by digging out the terrier Cranmere Pool was tapped, and has never been a pool since. So much for Cranmere Pool!

"This great northern bog, divided into two sections by Fur Tor and Fur Tor Cut, extends southwards to within a short distance of Great Mis Tor, and is a vast receptacle of rain, which it safely holds throughout the driest summer.