Opened in 1977, this impressive cool-climate garden features a network of gullies. Collections come from a range of areas such as New Zealand, South and North America, Asia and Australia. Features include magnolias, rhododendrons, ferns and mature trees from all continents. The garden has many walks ranging from around the Main Lake, suitable for visitors with limited mobility, to a ramble up gullies with awesome views over the Piccadilly Valley.