Located at an altitude of over 1,260 meters above sea level, the Pú Vạp historical site, situated in Sông Đà ward and Lay Nưa commune, is about 12 km west of Mường Lay town center. To reach Pú Vạp, visitors can only travel by motorbike along a winding road. Along the way, visitors can admire the majestic and fascinating natural scenery of the mountains, forests, and sky of Northwest Vietnam, and see the villages of the Hmong ethnic minority nestled on the mountainside. Especially, upon reaching the summit of Pú Vạp, visitors can enjoy a panoramic view of Mường Lay town.

Pú Vạp was formerly a resort built by the White Thai "king" Đèo Văn Long, who ruled the Northwest region under French protection. It served as a place of entertainment and recreation for the rulers, and also as a place of imprisonment and torture for patriots who resisted the French colonialists. Pú Vạp is built on the highest peak of the western mountain range, in a relatively flat area. Designed in the ancient French architectural style, it features two rows of sturdy, three-room houses, divided into two separate summer residences about 1 km apart. Surrounded by hills and mountains with abundant trees, the climate is cool year-round.

Visiting Pú Vạp, tourists can admire the majestic mountains, enjoy the cool, fresh, and tranquil climate. From above, the town of Mường Lay is visible, with its closely packed stilt houses and vast waterways. Visitors can also enjoy the lake scenery, visit fish farming models, and learn about the unique traditional cultural values ​​of the White Thái people.