The summer is the peak period for visitors in the Park. Iolo travels on the Brecon Mountain Railway, he joins the Beacons’ mountain rescue team on Fan Gyhirich – one of the highest peaks. The uplands also get a makeover by hauling wool on horse back to place in peat for protection. Iolo also learns about herbal medicine on Mynydd Myddfai – a centuries’ old tradition in the area.