The largest sunflower field in Thailand is located in Tambon Chong Sarika, AmphoePhatthanaNikom. The rolling sunflower fields have become a major tourist attraction, especially during the cooler season from November to January when they are in full bloom.To get there, from Lop Buri, take Phahonyothin Road (Lop Buri-Saraburi) until Km. 4. Turn left along Highway No. 3017 (the route to Khok Tum Sub-district) for approximately 8 kilometers to the entrance of WatWeruwan (located on the left). Keep going for 2 kilometers to the sunflower field. As for public transport, there is the Lop Buri-Wang Muang bus passing WatWeruwan. The bus leaves Lop Buri Bus Terminal from 6.00 am-5.30 pm.The sunflower fields can be enjoyed at any time, every day, though the cooler season is recommended. For more information, visitors should call in advance to 0 3649 1133 or 0 3649 1258.