Tu Le Valley is a picturesque valley in Yen Bai province, famous for its terraced rice fields and hot springs. The valley is surrounded by majestic mountains, creating a stunning backdrop. You can take a walk through the terraced fields and witness the local farmers at work. Don't forget to soak in the natural hot springs, which are believed to have healing properties. The valley is also known for its delicious sticky rice, so make sure to try some local delicacies while you're there.