A peaceful historical garden surrounding the former residence of Shibusawa Eiichi. It encircles the Seien Bunko, his personal Western-style library and salon from the early 20th century. Though small, the garden is serene, with seasonal flower beds, old trees, and a calm atmosphere — perfect for a stroll after visiting the Shibusawa Memorial Museum.

Price: Free entry
Touristy? : Not very touristy. Mostly visited by locals, history enthusiasts, and museum-goers.