All Cars, all paved. On Montezuma Valley Road, 1 mile up the grade, park in the parking area.
From the Hellhole Canyon parking head North/East and hike along an old dirt road towards Hellhole Canyon (West).
Once in Hellhole Canon wash, head down the wash (East).
The first canyon North is Flatcat Canyon, a very rough canyon with plenty of boulders.
Explore the canyon as far as you like and continue in the Hellhole wash heading North/East.
Close to the Visitor Center pick up the hiking trail Visitor Center <-> Hellhole Canyon.
Hiking time and length, depends on how far you enter Flatcat Canyon.
Alternative parking: Visitor Center.
Fee: Hellhole Canyon and the Visitor Center require a parking pass, pay at the parking.