Corbetts in the Canna Rhum And Eigg region Map of Corbetts in the Canna Rhum And Eigg region. Click on pins to view mountain details. The mountain guide has mountains listed..... Image Name Height (metres) Height (feet) Classifications Grid ref Askival 812 2664 Ma,C,Sim,SIB NM393952 Ainshval 781 2562 Ma,C,Sim NM378943