Join a week-end holiday in the Caingorms and Monadh Liath to see the ways in which glacial erosion has helped form today’s scenery, eroding deep U-shaped glens and impressive corries, and depositing different types of moraine and melt-water deposits. This tour is led by experienced geologists and will include an introductory lecture and two day walks. Limited places. For more details and booking visit geowalks.co.uk