
On a sunny Sunday afternoon like today’s, our local mountains typically attract hikers, mountain bikers, and nature enthusiasts. But for now, quiet has settled over much of this wilderness.
“TRAIL CLOSED” signs stand as sentinels at once-popular trailheads. Fences block access points. This is the new reality for outdoors lovers in Altadena and surrounding communities—a landscape transformed by the devastating Eaton Fire.
The Eaton Fire rendered nearly one-fifth of this treasured public land off-limits until at least December 31, sources say.
The closures encompass some of Southern California’s most beloved hiking destinations: the historic Mount Wilson Toll Road, the panoramic Sunset Ridge Trail, and the iconic Sam Merrill Trail (Lower, Middle and Upper) that once led thousands to Echo Mountain.
The reality is stark: these aren’t merely temporary closures. According to the documentation, recovery efforts are expected to take years, with no official timeline yet released for full reopening. The landscape itself requires time to heal from the devastation.
The statistics are sobering: approximately 17% of the 700,000-acre Angeles National Forest remains inaccessible. Popular destinations including Millard Canyon, Rubio Canyon, Henninger Flats, Idlehour Trail, Ken Burton Trail, El Prieto Trail, Brown Mountain Road, Mt. Lowe Road, as well as picnic areas such as Paul Little and Echo Mountain lie within the closure zone, their trails now dangerous corridors through an unstable post-fire environment.
The aftermath of the Eaton Fire presents hazards that aren’t immediately obvious to casual observers.
The fire has, at least for now, fundamentally altered the forest’s ecology.
The closures aim to address several critical concerns, including public safety. The official documentation notes that the fire has left trails unstable, with risks of landslides, rockfalls, hidden hot spots, and flash floods—all posing significant dangers to hikers and bikers.
Areas that were once safe recreational spots have been transformed into potentially hazardous terrain.
February’s storms demonstrated this changed reality, causing flooding that further damaged the Eaton Canyon Trail and portions of the historic Mount Wilson Toll Road. These secondary impacts have complicated recovery efforts and extended closure timelines.
The Zero Tolerance Approach
Local authorities aren’t taking chances with public safety. The Altadena Sheriff’s Station re-iterated its “Zero Tolerance” policy on Saturday, April 12, warning that anyone entering closed trails would face citations and vehicle towing. The U.S. Forest Service has backed this approach with federal penalties—violators can face fines up to $5,000 for individuals or $10,000 for organizations and imprisonment for up to six months.
Yesterday’s Altadena Sheriff’s Station’s Public Service announcement makes it clear: these closures aren’t arbitrary. They’re protecting lives through a strict “Zero Tolerance” policy aimed at preventing access to dangerous areas.
Enforcement has been strengthened with increased patrols. Despite these measures, some hikers reportedly continue to attempt to access closed areas—putting themselves at risk and potentially damaging recovering ecosystems.
Adding to the complexity is the emergence of poodle-dog bush throughout the burn zone — which acts almost like nature’s own warning sign. This native plant poses health risks to visitors due to its skin-irritating properties.
Not all news is grim for outdoor enthusiasts. Some areas have been assessed, repaired, and reopened, including the popular Switzer Picnic Site, Chantry Flat Recreation Area, and the Gabrielino National Recreation Trail. Upper and Lower Winter Creek Trails also welcome visitors again, offering alternatives to closed routes.
These reopenings represent bright spots in a recovery process expected to stretch for years. However, reopened areas are limited compared to the vast number of trails still under closure.
As today’s perfect hiking weather highlights what’s been temporarily lost, it also reminds Southern Californians of what’s worth protecting.