Rock garden in or around Tokyo

Tokyo Traveller Questions
1

I would like to see a rock garden/dry garden/karesansui when I visit Tokyo in the spring. Are there any such gardens?

2

Here’s a couple of suggestions in Tokyo that might fit the bill: Denpoin Temple: Hidden Garden at Denpoin Temple | Tokyo Cheapo Koishikawa Korakuen Koishikawa Korakuen | Tokyo Cheapo