Craig of Dolt is composed of vertical and folded strata of greywacke, a sedimentary rock. The photo was taken in the vicinity of a delightfully named Gobawhilkin, while on a sea kayaking trip from East Tarbet to Port Logan.
Uploaded to Geograph by Douglas Wilcox on 13 December 2009
Photo © Douglas Wilcox, 13 December 2009. Licensed for reuse under this Creative Commons licence