Westonbirt Arboretum is one of the most beautiful and important plant collections in the world. With thousands of specimens and species of trees from all around the world. A picturesque place to visit and explore. Dogs are welcome on The Downs on a lead and permitted off lead in Silk Wood, which makes up around two thirds of the arboretum. The Old Arboretum and restaurant is a no dog area (except assistance dogs). Dogs are not permitted at events (except assistance dogs). Dog bins and poo bags are available throughout the site and dog water is available at the restaurant.