Camp in the beautiful valley of Cwm Pennant on an idyllic campsite near the River Dwyfor in Snowdonia. Tried & Tested by Scout Groups, Families. Once experienced you'll want to come back to our peaceful and tranquil campground year after year! The campsite is close to beaches and surrounded by mountains that are perfect for hill walking and bird watching. Ty'n LLan Camping Site is just five Miles from the harbourside town of Porthmadog.