Escape to lee valley campsite sewardstone and enjoy an unforgettable glamping break like no other this gorgeous campsite is perfectly situated for discovering the best of both worlds the 1 000 acre river lee country park is on the doorstep with its traffic free cycling and walking trails boating rare wildlife and even white water rafting and you can also be amongst the famous attractions in the heart of london in less than 40 minutes youll spend the night in a comfortable cocoon which