Why Trails Close
on January 17, 2026
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You’ve planned an epic hike or ride and come to find out that the trails are closed. That’s such a bummer. Many parks and preserves close trails based on hazardous conditions. These include: red-flag (high wind/high heat/low humidity) days, unsafe trail conditions, and after rain storms. Since we are in the rainy season, we thought we’d relay the thought process behind rain-related trail closures. Many of the soils in the Puente-Chino Hills Wildlife Corridor include high clay concentrations. Clay causes … Read More
