This whitewater adventure begins at the JC Boyle Dam put in, in Southern Oregon with 5+ miles of Class 3 rapids to warm up on before tackling the more challenging rapids! The Class 4 rapids begin with the gradient change and you enter into the steep canyon walls. The rapids are long and the water is big. We enjoy lunch on the river before crossing back into California at mile 11. On the remaining stretch after the border, the canyon opens up and the river mellows allowing for voluntary swims. We typically take out at Fishing Access 6 above Copco Lake.