Contact Details Lambing Please keep dogs on leads and do not take your dog into this lambing field 4th April to 4th May inclusive LLTTNPA Ranger Service, National Park Centre, Balmaha Tel: 01389 722 100 Dog walkers Please do not take your dog into this field from 4th April to 4 May inclusive. Ewes can become distressed by the presence of a dog and lose their lambs as a result. Please find an alternative route (see map) to walk your dog.