Indio Arch is along Utah Scenic Route 211 on the way to the Needles District of Canyonlands National Park in southeast Utah. There is not a sign pointing it out, but it is only 0.7 miles past the Newspaper Rock Historic Site.
To see the arch well you have to pass through some old campsites and find a path down to Indian Creek, step across the creek and climb the bank on the opposite side.
Climbing up the bank out of the creek bed, it looks like there is an old 4WD road under the cliffs. From the old road you can get up under the arch to see blue sky through it. In the fall there isn't much water in the creek, but there could be quite a bit of flow in the spring.
The Indian Creek flows out of the Blue Mountains to the south and creates a lush corridor in an other wise dry area. The cliffs along Indian Creek are popular with climbers and give a taste of the rocky world of Canyonlands.
The road to the old campsites is blocked, probably due to flash floods that occurred a few years ago. There is enough room to pull over and park along the highway. Information on finding this arch and others south of Moab, Utah can be found in the small guide book Natural Arches of the Moab Area (South) by Chris Moore.