Khung Bang Kachao is a part of the curved area of Chao Phraya River. Its shape is like a pig's stomach, covering wide areas of ​​6 sub-districts of Phra Pradaeng District, Samut Prakan Province. Including Bang Ka Chao, Bang Nam Phueng, Bang Ko Bua, Bang Krasao, Bang Yo, and Song Khanong, in which the area ​​approximately is 19,200,000 square meters. On September 14th, 1977, a cabinet resolution was made to designate ""Khung Bang Ka Chao"" as the green area being suitable for cultivation without permission to construct buildings more than the regulative height. In 2006, Time magazine praised Bang Krachao as The best Urban Oasis of Asia, also known as the best lung among the urban in Asia. Even though many decades go by, this place is still considered as the ""lung"" to efficiently purify the air in Bangkok and Samut Prakan.

Agricultural activities in Khung Bang Kachao area will be a bike ride through the green space that is becoming a popular activity Because it is like an oasis that gives an oxygen for the city with the garden area around 320,000 square meters. There are many types of large trees and banyan roots covering with spectacular tree tunnels that make there shady and relaxing. There is also an interesting agricultural lifestyle and local wisdom, and stopover spaces to do the activity with farmers and community enterprise groups

Program tour
1. Visit the golden mango orchard (Nam Dok Mai Khung Bang Kachao, the latest Thai GI mango) by Lt. Col. Chamnan Onyam, the President of Golden Mango Producer Club in Samut Prakan, the President of Community Enterprise, Colonel Agriculture and the owner of the golden mango orchard in Khung Bang Kachao area. He becomes the expert to give an information and sell the product and scion.
2. Visit an ornamental plantation (Golden croton, Sealing-wax palm, and Cordyline) leading by Ajarn Narong Samleerat, the chairman of Learning Center for Enhancement of Agricultural Production, Phra Pradaeng District and Ajarn Somsak Samleerat, the agricultural philosopher. They become speakes to give an information and sell the trees.
3. Visit the integrated agricultural garden, Smart Farmer in Bang Kachao Subdistrict
4. Community enterprise for Health Sciences Activities, including massage with herbal compress, showing how to make herbal compress balls, and selling neck pillows, cereal belts, compresses, shoulder pillows and acupressure pillows.
5. Herbal Fragrant Incense House Community Enterprise with herbal incense making, tie-dye fabric making, and homestay service

Linked routes with other tourist attractions
(Every place is within Kung Bang Kachao. Phra Pradaeng District Samut Prakan Province)
- Bang Nam Phueng Floating Market, Bang Nam Phueng Subdistrict
- Sri Nakhon Khuean Khan Park and Botanical, Bang Kachao Subdistrict
- Siamese Fighthing Fish Gallery, Bang Kachao Subdistrict
- Bird Watching Tower, Bang Kachao Subdistrict
- Boat Museum, Bang Ko Bua Subdistrict
- Bangkachao vegetable warehouse

Community enterprise products
- Health Craft Community Enterprise, such as, neck pillows, cereal belts, compresses, shoulder pillows, and acupressure pillows
- Herbal Incense House Community Enterprise, such as, fragrant incense, and tie dye crafts (bags, clothes, and scarves)
- Coconut sugar
- Ornamental plants, such as Golden croton, Sealing-wax palm Cordyline, limes' scions, etc.
- Fruit trees, such as mangos, mangos' scions, limes, limes' scions, etc.
- Arts and crafts from community enterprises, such as auspicious wood from lucky stones, flowers from fish scales, and flowers from gossamer fabrics.

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