From Hwy 44 and 160th Ave it is about 3.5 miles south. Or from I-90 exit 78 (New Underwood) you take 161st ave south out of NewUnderwood for about 6.5 miles then the road will curve to your left, you go about a mile then it will curve back to your right and then you'll be on 160th ave. Contiune for about 3 more miles south to Hwy 44. Go straight south accross Hwy 44 for 3.5 miles and you will see the parking lot on your right.
A spark arrestor is required.