At Hwy S-22 Borrego Springs <-> Salton Sea Mile 38.
Slots and lots of canyons.
Hike downhill on the Calcite mine road.
In the wash hike (or drive, AWD only) left in the wash.
The canyon narrows in some pretty slot canyons.
Looks a bit like the Utah canyons, except for the coloring.
Explore every fork and don't forget the smaller forks.
You can make this hike easy of more challenging, depending on where you go.
Knock yourself out.
How to get here:
At Hwy S-22 Borrego Springs <-> Salton Sea Mile 38.
Any car: Park close to the road.
AWD: Drive down the dirt road and turn left. Drive as far as you are allowed to go.
The road is on the canyon floor and is very easy to drive.