Mon Jam is a very popular place for Thai people especially in January. You can find viewpoints, cafes, strawberry and flower fields there. It is also possible to sleep in different types of accommodation.
What that look like Mon Jam
Link and information:
Google map : https://goo.gl/maps/Ymtx8FcrNMb8KDTH9
Wooden Kart racing
One of the fun and unique activities to do is wooden kart racing. 50 baht by people.
What to do Near
For Mon Jam it is above all the view and the flower fields that attract people. But on the road to get there there is a lot of activity possible.
Some exemples :