The smallest district in Mae Hong Son province. The area is bordered to Tak province in Ta Song Yang district.  It is due to very small district; therefore, it is not quite well-known among the tourists including all the facilities are still under standard.  However, if mention about the beauty of the nature and places, Sob Moei is not less beautiful than any other districts. Besides the nice nature, it is still the district that reflects to see the simple life styles of the villagers, their original cultures, and the nature, for the tourists who are interested in keeping the nature can have a chance to study all around the district.       

Mae Ngao National Park
It is the most well-known place in Sob Moei district, located about 15 km. away from the district.  It is very beautiful national park with full of teak forests, mountains, and also there are many big and small rivers flowing through. The beautiful landscape is covered with the line of the complicated mountain ranges and high hills.  Each of the mountains has its unique name such as Doi Pui Luang, Doi Ser Ter Lu, and Doi Kui Luang, but for the river, the Ngao River is the most well-known.  The outstanding feature of the river is the stream is clear and cool like the mirror that can reflect the shadow of the tourists, and this is the origin of its name. It is also the source to create the important river in rafting on the Ngao river which is known very well among the tourists.   Around the area of headwaters is the location for the Karen who prefers to build the houses, and using the long-tailed boats to be their vehicles in communication.  The tourists can begin your journey by car from Baan Mae Ngao to Mae Ngao National Park, the park is provided you to pitch the tent for the tourists who love to do so.  You can bring either your own tent or renting from the national park, moreover, there still be the toilet and the bathroom to serve you, too.

Mae Saam Laeb
If you see along the edge of the Salawin river, you will be able to notice Mae Saam Laeb village which located 62 km. away from Sob Moei district.  Here, it is very popular in rafting among the tourists who fall in love in the nature on both sides of the river banks. The peacefulness and the cold of the stream are the charm to encourage you to travel down the river by boat. Besides, you are able to see over to the neighbor country, Myanmar, at present time.  The most popular point to go along the river by boat is from Mae Saam Lab to Sob Moei where is the post that the Moei river come to join the Salawin river.