152 



BATHYMETRICAL SURVEY OF 



LOCHS OF THE SPEY BASIN. 



THE catchment basin of the river Spey is one of the largest of the 

 Scottish river-systems, extending to about 1200 square miles (see Index 

 Map, Fig. 18). The river is about 100 miles in length, rising a com- 

 paratively short distance to the east of the head of Loch Lochy in the 



Bartholomew Ec/m ' 



-5 1O ZO SO 



PIG. 18. INDEX MAP OF THE SPEY BASIN. 



Great Glen, on the flanks of Corrieyairack (2922 feet) and Cam Leac 

 (2889 feet) on the north, and of Creag Meaghaidh (3700 feet) and Cam 

 Liath (3298 feet) on the south, and flowing in a north-easterly direction 

 into Spey bay in the Moray firth, and being fed by numerous tributaries. 



