Totally confused by this anders! Are you going to Scotland or Wales!?! That map was for Scottieland?
This wouldn't be a bad route to see a bit of Wales and get you on the way to the Lakes - jump on M56 near Chester
http://maps.google.co.uk/maps?f=d&source=s_d&saddr=Holyhead&daddr=llanberis+to:Blaenau+Ffestiniog,+UK+to:Betws-y-Coed+to:llanrwst+to:denbigh+to:st+asaph+to:Prestatyn+to:Chester&geocode=FWZtLQMdNE-5_yntDxxstjRkSDFvI_uM0JyOJA%3BFXCIKgMd_PnA_ylvC2oDIQhlSDFUvOj8HxYymw%3BFRWKKAMdURLE_ynnGkRn0QxlSDF9pX1iyePM6Q%3BFXglKgMdb-vF_ymlZUfiOA5lSDFJ3V4Zno3vOw%3BFUfeKgMdywfG_yn7cQLEKBRlSDEHjxeaaFfZcw%3BFVqDKwMdas7L_ylvqNJkNSNlSDGP5wcDqxXbfw%3BFY6gLAMdtWDL_ymhtW6ALSllSDGgdwpeJosNCg%3BFWrVLQMdEAbM_ymvii9Te9VkSDHIHsuW5fqlKQ%3BFSKjKwMdYdPT_ylp9Zxi2cF6SDGf-NiNs2xiSQ&hl=en&mra=ls&sll=53.19287,-3.289032&sspn=0.430306,1.352692&ie=UTF8&ll=53.141828,-3.762817&spn=0.861632,2.705383&z=9