Camping inside the canyon after canoeing up the river! The canoe trek can be difficult, especially with low water. Expect the canyon to be 5-10 degrees warmer than the temperature above the canyon in the park. If you camp on a sandbar make sure you are high enough that rising water doesn’t reach you tent. The night we camped the park ranger estimated the temperature inside the canyon was over 110. We sat in the water that night to cool off. In the middle of the night we heard javelinas splashing in the river.