The Great Chamber is not a cave. It is an alcove scooped from Navajo Sandstone, open at the top, half-filled by a dune of coral-pink sand that spills through its mouth and climbs the back wall.
The rock began as desert dunes roughly 190 million years ago, buried and cemented into stone; the loose sand inside is the same material, released again. A Great Chamber Peekaboo Slot Canyon UTV Tour exists because the approach crosses miles of that sand, and sand of this kind does not hold a passenger car.
Kanab has traded on its scenery for a century. Between the 1920s and the late 1970s, more than a hundred features and television series filmed in the surrounding canyons, earning the town the name Little Hollywood. The formations east of town were photographed long before they were promoted. Peek-a-Boo Canyon — Red Canyon on many maps — lies off BLM Route 102, a sand track that leaves the highway north of Kanab and deteriorates quickly. The Bureau of Land Management administers the ground through its Kanab Field Office. Entry costs 0 USD, and no permit is required for independent access; the barrier here has never been bureaucratic, only mechanical.
That mechanical barrier built an industry. Kane County outfitters now run Great Chamber Peekaboo Slot Canyon UTV Tour tours as their staple product, pairing the alcove with the slot and, on longer routes, with Coral Pink Sand Dunes State Park or the sandstone benches of East Zion. Peek-a-Boo Canyon off-road adventures depart from the staging area rather than the trailhead, because there is no trailhead in the usual sense. Machines that were recreation equipment twenty years ago became transport. Photographers arrived next: the chamber's curved ceiling reflects morning light onto the dune below, and the effect has circulated widely enough that Kanab slot canyon UTV excursions fill months ahead through summer. Guides read the wash after storms, since flash flooding rearranges the sand and can close the route without notice.
The rock repays close reading. Cross-bedding runs through the chamber walls in long diagonal sweeps — the frozen lee slopes of dunes that once marched across a Jurassic erg the size of the Sahara. Iron oxide stains the surface in bands, and desert varnish darkens the sheltered overhangs. Moqui marbles, small concretions of hematite, weather out of the sandstone and gather in hollows. Inside Peek-a-Boo, the walls are scalloped by water rather than wind, each flute cut by floods carrying abrasive grit at speed. The slot is narrow at the base and flared above, a cross-section that records where the current ran hardest. Any Great Chamber Peekaboo Slot Canyon UTV Tour tour crosses roughly 190 million years of deposition in under a mile of driving, which is the argument for going at all.
2 hr
