sentences:  The designation "glen" also occurs often in place names such as Great Glen and Glenrothes in Scotland; Glendalough, Glen of Aherlow, and Glen of Imaal in Ireland; Glenn Norman in Canada; Glendale and Klamath Glen in California, Glenview in Illinois, and Glenrock in Wyoming; Glenview, Glen Waverley, Glen Eira, Glengowrie, Glen Huntly and Glen Forrest in Australia; and Glendowie, Glen Eden and Glen Innes in New Zealand.In the Finger Lakes region of New York State, the southern ends of Seneca Lake and Cayuga Lake in particular are etched with glens, although in this region the term "glen" refers most frequently to a narrow gorge, as opposed to a wider valley or strath.The steep hills surrounding these lakes are filled with loose shale from glacial moraines.