92 
BATHYMETRICAL SURVEY OF 
to 50^ square miles, and includes many lochs (Regar, Macaterick, Finlas, 
Muck, Derclach, Enoch, etc.). There are many large feeders ; Gala Lane 
at the head of the loch, Garrick Lane from Lochs Regar and Macaterick, 
Garpel burn from Lochs Finlas and Derclach on the west, and the Muck 
burn from Loch Muck on the east. The outflow by the river Dood, now 
controlled by a dam and sluice, is through a rocky channel, on the east 
side of which rise high cliffs. 
0 12 3 4 5 10 IS 
FIG. 10. — INDEX MAP OP THE DOON, GIRVAN, AND STINCHAR BASINS. 
The basin of Loch Doon is very irregular. The 25-feet contour, 
though continuous nearly from end to end of the loch, is much interfered 
with by groups of islands and shoals, and there are two separate basins 
over 50 feet in depth. The southern and narrower portion of the loch, 
running between high hills, is deepest. Here the 50-feet area is miles 
long, the 75-feet area half a mile long, and a very small area, founded on 
a single sounding, reaches 100 feet in depth. Northward the loch shallows 
to 28 feet, and deepens again to the second area of over 50 feet, which is 
