Dong Van Karst Plateau Tham Ma Slope in Ha Giang: A Thrilling Adventure Through Breathtaking Terrain by Lam Pham July 31, 2024 by Lam Pham July 31, 2024 Tham Ma Slope is one of the most exhilarating and scenic destinations on the Ha Giang Loop, offering a thrilling adventure for travelers and motorbikers alike. Located in the northernmost … 0 FacebookTwitterPinterestEmail