You can get over 30 Valberries in this area.
You can purchase Valberries from Botanist Chloris. The refreshes every 3 days and the items don't change. oou can't see her at night.
Puzzles, Secrets, and Hidden Chests in Dragonspine
Kazuha
Hu Tao
Puzzles, Secrets, and Hidden Chests in Liyue
Tohma
Shenhe
ATK% VS Physical/Elemental DMG% in Genshin