Hi, Can anyone give recommendation on Betong, Thailand?

The last time I was there was more than 10 years ago in a tour group and I cannot remember much except that I went to a shooting range and enjoyed myself there. Where is the shooting range? Name & Address? Entrance fee? Shooting fees?

Also,... the tunnels. I did not visit at that time but I would like to visit. Any idea where?

Besides the above any other sights/attractions, besides the obvious?

I will be driving there this Saturday.