There are many passes over 3000m in Bhutan. Because Bhutan itself is located in mountains. "La" means pass in Dzongkha, national language in Bhutan.
There are Dochu La(3,200m), Pele La(3,300m), Yotong La(3,500m), Thrumshing La(3,700m) and Kori La(2,200m) on national highway from Thimphu to Trashigang.
The highest pass on the vehicle road is Chele La(3,800m) between Paro and Haa.