The active explorer ol 47 is a detailed weatherproof map which covers crieff comrie and the surrounding areas including the beautiful town of auchterarder a replacement for the previous os explorer map 368 for this area the ol 47 allows you to navigate your way around the eastern part of the loch lomond the trossachs national park and even covers two munros ben vorlich and stuc achroincolour swatchorangebrandordnance surveycolourorange