The Hyalite Canyon trailhead parking lot has evolved into a high-altitude social club with optional hiking attached, according to regulars who arrive before dawn to claim prime tailgate real estate.

By 6:30 a.m. on Saturday, the lot resembled a suburban cul-de-sac block party. Portable espresso machines hissed from open liftgates. Hammocks strung between Subaru roof racks held sleeping partners waiting for the “real” hikers to return. A golden retriever named Biscuit patrolled a perimeter of camp chairs like a furry security detail.

“We’ve got a rotation,” said Marta Kline of Belgrade, stirring a French press balanced on a cooler. “Dave does eggs. I do coffee. The Hendersons bring the good syrup. We’re usually packed up by the time the noon crowd realizes the trail goes past the first waterfall.”

Forest Service Ranger Pete Wollner confirmed the phenomenon while restocking the kiosk map box for the third time this week. “Traffic counter shows two thousand vehicles Saturday. Summit register shows forty signatures. The math works if you don’t think about it too hard.”

The unofficial potluck has developed its own bylaws. No speakers after 9 a.m. Dogs leashed until the second switchback. Whoever spots the first moose buys the next round of pastries from the Belgrade bakery run. Violators get assigned the “sweep” position — hiking the full loop to collect forgotten trekking poles and single gloves.

Last weekend a black bear investigated the Hendersons’ cooler but declined the artisanal salami, preferring a bag of trail mix left on a picnic table. The bear was not cited. The trail mix owner accepted the loss as “forest tax.”

By 1 p.m. the lot empties like a theater after credits. The regulars drive home smelling of pine and woodsmoke, satisfied. The trail remains there, patient, unhurried, waiting for next Saturday.