Xiangkhouang

Three main sites near Phonsavan are cleared and open, numbered Site 1, Site 2 and Site 3, and they aren't interchangeable. Site 1 is the largest and most visited, holding over 300 jars including the biggest known example, and has the best on-site facilities and information; it's the right choice for a single stop with limited time. Site 2 and Site 3 sit on forested hilltops with smaller jar clusters and a genuinely different atmosphere — quieter, less developed, and for many visitors more evocative precisely because of that. A full day covering all three, arranged through any Phonsavan guesthouse or tour operator, gives the clearest sense of how the sites vary rather than treating the Plain of Jars as a single stop.

Phonsavan itself was built after 1975, replacing the provincial capital Xieng Khouang town (now Muang Khoun), which was flattened during the war. The scrap-metal economy that followed the bombing is visible everywhere: bomb casings recycled as fence posts, flowerbed borders and stilts under houses, and shops along the main road selling war-scrap souvenirs and spoons cast from melted aluminium. The MAG (Mines Advisory Group) visitor centre, separate from Vientiane's COPE Centre, explains the clearance operation specifically as it runs in this province, with exhibits on the demining process itself rather than COPE's focus on the human and medical aftermath — the two centres are complementary rather than duplicating each other, and a visitor with time for only one should choose based on whether the mechanics of clearance or its human cost is the more useful framing.

Xiangkhouang sits on a highland plateau at over 1,000 metres, and its climate runs noticeably cooler than lowland Laos — December and January nights can approach freezing, a genuine surprise for travellers arriving from tropical Vientiane or Luang Prabang without a warm layer packed. The upside is a comfortable daytime temperature for walking between jar sites even in the dry season's warmest months elsewhere in the country, making Xiangkhouang a rare part of Laos where the cool season is a straightforward advantage rather than a trade-off against rain.