depends on what you are looking for. if it is thrills and a splashy wet day, i wouldnt go much under 900 and you'll have to wait for next year. if it is scenery and a day on the river maybe to fish or soak up the sun it is fun down to 400 or so. i have been in there at 250 or a little lower and it seems that the work isnt rewarded. there is one slot, i think it is one of the staircase rapids, that wasnt even big enough to fit the lil' 12'er through. you have to low side and stand a tube up. i think the commercials walk their peeps around while they work the raft through. at this level it isnt rediculosly rocky but the splashes that come over the bow are few and far between. hope this helps a little.