In Topanga Canyon on Saturday morning, suspended midair from an electricity line, hung the smoldering top of a utility pole. The pole itself had burned away. Its remaining crosspieces resembled a crucifix on fire. By the time Bob Melet videotaped this eerie scene, firefighters had managed to halt the advance of flaring patches that elsewhere had been whipped into infernos.

Barely 100 yards from the front door of Mr. Melet’s store, Melet Mercantile — a destination for fashion and interior designers who for decades have tracked Mr. Melet’s idiosyncratic tastes — lay the fire line at Camp Wildwood, a disused summer camp established in the 1920s and later turned into a resort and community center by two locals, Julia and Oka Stewart. To its west and along the Pacific Coast Highway, almost everything was torched.

“The canyon is a funnel that comes right past my doorstep,” Mr. Melet said by phone from a friend’s apartment in Corona del Mar, his evacuation point. “If it had reached me, it would have wiped out the entire town.”

The fact that it had not represented the miraculous survival of an ecosystem as fragile and anomalous as it is naturally untamed. An eccentric holdout of a countercultural ethos that once went a long way toward defining the Southern California lifestyle, Topanga lies at the western limit of an extensive system of canyons resembling a series of Cyclopean knife cuts slashed into the Santa Monica mountains.

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