Rafting on the lower Pigeon River is one of the best Attractions in Gatlinburg TN for little kids. It's a 5 1/2 mile trip through the scenic Pigeon River gorge. This adventure begins at the outpost and ends at the Denton Bridge. So if you're looking for something with a little less speed, this rafting trip on the Pigeon River is for you. Trips Go Rain or Shine!