is Phu foilom on the Phu Phan Noi Range in Tambon Thap Kung. It is considered as one of the best nature study centres of the Northeast region: there are demonstration beds of plants, the Garden of Wild Plants in Celebration of Her Majesty the Queen’s Sixtieth Birthday Anniversary and a viewpoint overlooking Udon Thani town. Accommodation and camping sites are available for an overnight stay. For more information, contact Tel. 0 4224 6715, 0 4291 0935-6.