Ahmanson Valley Oaks Finally Get Their Leaves

Cold weather delayed the leafing out of valley oaks at Ahmanson ranch until late March and early April 2023.

According to preliminary NWS reports, Downtown Los Angeles (USC) recorded average monthly temperatures well below normal in November 2022 and January thru March 2023. March was particularly cool, with an average high of about 64 degrees and an average low of about 50 degrees.

Besides high heating bills, Southern California’s unusually cold Winter affected several seasonal processes, one of which was when the valley oaks at Ahmanson budded and grew new leaves.

The leaves of valley oaks at Ahmanson Ranch typically turn in mid-December, and the trees usually begin to leaf out during the latter half of February. Depending on the tree’s microclimate, the emergence of new leaves may vary by a week or more.

Cooler than normal temperatures during January to March 2023 delayed the leafing out of these valley oaks in Las Virgenes Canyon.
Valley oaks in Las Virgenes Canyon in early April 2023.

The earliest I’ve photographed a valley oak at Ahmanson sprouting new leaves was February 3, 2015. Last year, a valley oak had new leaves on February 10, 2022.

The latest I’ve seen valley oaks sprouting new leaves is this year — from about March 20, 2023, in favored locations to April 4, 2023, in cooler areas such as Las Virgenes Canyon.

Prior to this year, the latest I’ve photographed a valley oak at Ahmanson with new leaves was March 9, 2009.

(Officially named Upper Las Virgenes Canyon Open Space Preserve, most users refer to the open space area as Ahmanson Ranch or simply Ahmanson.)

Some related posts: Revitalized Valley Oak at Ahmanson Ranch, Goldfields Are Blooming and Valley Oaks Greening, Valley Oak Leaf

Condor Peak and Fox Mountain Adventure Run

Condor Peak from Fox Mountain
Condor Peak from Fox Mountain

The out and back trail run to Condor Peak (5440’+) and Fox Mountain (5033′) from Vogel Flat is an adventurous 17-mile, lower elevation run in the San Gabriel Mountains.

Exposed stretch of the Condor Peak Trail
Exposed stretch of the Condor Peak Trail

When I last did this run (May 2020), portions of the trail below Fox Mountain were washed out and overgrown. Later I learned that this was before the Condor Trail restoration project had been completed. Thanks to the hard work of the Lowlifes Trail Crew the trail has been brought back to life. Today, several groups — including hikers, bikers, and runners — were making their way to Condor Peak.

Hazy view of snow on Mt. Waterman and Twin Peaks from the Condor Peak Trail.
Snow on Mt. Waterman and Twin Peaks from the Condor Peak Trail.

As mentioned in my posts from 2007 and 2020, this adventure is best done when the weather is cool. It can really bake on the south-facing sections of trail. From the Vogel Flat Trailhead on Big Tujunga Canyon Road the trail climbs about 2600′ in 6 miles to reach Fox Divide. Much of this stretch is surprisingly runnable. As with most mountain trails, extra care is required because of steep drop-offs and other hazards.

Today, the trail was in the best shape I’ve seen in years. The weather was relatively cool and good for running. As has been the case in other low elevation areas, a colorful assortment of Spring wildflowers were blooming along the trail. With our copious Winter rain, two small streams were crossed on the traverse above Fusier Canyon. It’s hard to say how long they will last.

USGS Lidar-based 3DEP 1m contour map of Condor Peak
USGS Lidar-based 3DEP 1m contour map of Condor Peak

Condor Peak has twin summits. A register and summit sign currently reside on the west peak, but USGS 3DEP 1-meter Lidar-based data suggests the west and east peaks have virtually identical elevations – about 5441′.

This time, after climbing Condor Peak, I also climbed Fox Mountain. Although steep, it’s short, and doing Fox only added about 30 minutes to the total time.

Here are a few photos taken along the way. Additional info, photos, and an interactive map with 3D terrain can be found in the following related posts.

Some relate posts: Condor Peak Out and Back Adventure Run, Condor Peak Trail Run

Ahmanson Blue Oak Succumbs to Climate Change

Rare at this latitude, this blue oak at Upper Las Virgenes Canyon Open Space preserve succumbed to drought, fire, and above average temperatures.

When I rounded the corner on the Lasky Mesa Trail, I could hardly believe my eyes. The Ahmanson Blue Oak was gone. Where there had been a sprawling oak, there was nothing.

Crossing an eroded section of trail and walking over to the edge of the old roadbed, I looked down the slope. Much like this valley oak along Rocky Peak Road, the entire Ahmanson blue oak  had fallen from its hillside perch near the bottom of the canyon.

Oaks in the oak-grasslands of Upper Las Virgenes Canyon Open Space Preserve have had a tough time with climate change. The five-year drought from July 2011 to October 2016, increasing temperature, and the 2018 Woolsey Fire have combined to kill a large number of trees.

This blue oak was one of very few found at the southern extent of its range.

Related posts: Ahmanson Blue Oak, Ahmanson Valley Oaks Battling Drought, After the Woolsey Fire: Ahmanson Ranch, Fallen Oak, Valley Oak Savanna

Soggy Shoes, Soppy La Jolla Valley, and Sensational Wildflowers

Approaching Mugu Peak from La Jolla Valley
Approaching Mugu Peak.

After doing a climbing /trail running combo in Pt. Mugu State Park last Sunday, I headed back to Wendy Drive this morning to do a trail run to Mugu Peak and back.

The plan was to get in a long run (20 miles) with fewer “get your feet wet” stream crossings, and also check out the conditions on several trails I hadn’t done this year.

Boney Mountain (left skyline) from Mugu Peak
Boney Mountain (left skyline) from Mugu Peak

So much for keeping the feet dry! The temp was in the mid-30s when I turned off Big Sycamore Canyon fire road and onto Wood Canyon fire road. The main creek draining Sycamore Canyon cuts across the fire road here, and there was no way I was going to get across it without wading. Some smaller stream crossings followed, ending with Wood Canyon Creek.

My shoes were squish-squashing loudly as I started up Hell Hill. The 600′ climb was almost enjoyable with the cool temperatures. Partway up, a slurry of rock and mud had flowed from the hillside onto the road — the soil saturated from storm after storm.

California poppies mixed with lupine along the Mugu Peak Trail
California poppies mixed with lupine along the Mugu Peak Trail

Several trails/roads converge at the top of Hell Hill, and I turned right onto the fire road that leads to the La Jolla Valley Loop Trail. I like to do Mugu Peak as part of a counterclockwise loop that combines segments of the La Jolla Valley Loop Trail and Mugu Peak Trails.

Long stretches of the La Jolla Valley Loop Trail between the walk-in camp and Mugu Peak were sopping wet. I’ll be curious to see how quickly it dries out, but today (April 2) it was really, really wet.

La Jolla Loop pond in La Jolla Valley in Pt. Mugu State Park.
La Jolla Loop pond is rarely this large — or even a pond.

Mugu Peak was pretty much as it always is on this side — busy and steep. The steepness of the “Direct” trail helped wring the water from my Ultraglides and Injinji socks. By the time I reached the top, my feet were only damp.

Mugu Peak is VERY popular, and there are almost always a few people taking in the wide-ranging views from the summit. Most do the short, steep hike from PCH on the Chumash Trail. A few start at the Ray Miller Trailhead — or like I was doing today — the long route from Wendy Drive.

Vivid red paintbrush along the La Jolla Loop Trail in Pt. Mugu State Park.
Vivid red paintbrush along the La Jolla Loop Trail

Although I usually climb the peak, two other options are worthwhile: the loop around the ocean-facing side of Mugu Peak and
the loop around La Jolla Valley.

The wildflowers along the Mugu Peak Trail and La Jolla Loop Trail were fantastic. California poppies were plentiful on the south-facing slopes. The vibrance of the bright orange poppies could not have been better accentuated than by purple lupine. Yellow bush sunflower, royal blue phacelia, and rich red paintbrush also decorated the trail.

Bright yellow collarless poppies along Danielson Road.
Bright yellow collarless poppies along Danielson Road.

I followed my usual route on the way back to Wendy — returning to the Hub, descending Hell Hill, retracing my steps in Wood Canyon, then following the Two Foxes single-track trail north to a short connector to Sycamore Canyon Road. This is near the Danielson Multi-Use Area. Once on Sycamore Canyon Road, the route back was the same as last week — up 1.8 miles of paved road and then onto the Upper Sycamore Trail. After that, up Danielson Road and across Satwiwa to the Wendy Drive trailhead.

Here is an interactive, 3D terrain map of my GPS track to Mugu Peak and back from Wendy Drive. To change the view, use the control on the upper right side of the screen. Track and placename locations are approximate and subject to errors. Poor weather and other conditions may make this route unsuitable for this activity.

Also, see the archived maps of Rancho Sierra Vista/Satwiwa and Pt. Mugu State Park from the NPS website, and the maps of Pt. Mugu State Park on VenturaCountyTrails.org.

Some related posts: Out and Back Trail Run to Mugu Peak, Running to Serrano and La Jolla Valleys from Wendy Drive, Busy Mugu Peak

Backbone Trail Mystery

Pt. Mugu State Park from Boney Mountain
Pt. Mugu State Park from Boney Mountain

The morning was beautiful and sunny. It hadn’t rained for two days, and except for a few contrails, the sky was nearly cloudless.

Earlier in the morning, I’d climbed the Western Ridge of Boney Mountain, then worked my way over Tri Peaks to the Backbone Trail. I’d been on cruise control running down the Chamberlain/Backbone Trail, enjoying the pleasant weather and wide-ranging views.

Hines Peak and other Ventura County Mountains from the Chamberlain segment of the Backbone Trail
Hines Peak and other Ventura County Mountains from the Chamberlain segment of the Backbone Trail

Passing a gap in the ridge, I was surprised to see a person on the hillside, a few yards below the trail. It was an odd place to be.

The person was partially hidden by grass and brush, and all I could see was their head and shoulders. They were wearing an odd helmet and were busy working on something that looked like a pack. I didn’t see a mountain bike.

None of it made sense. Was it someone doing the Backbone Trail? Had they slept there overnight? What was with the helmet? Reaching the end of the Chamberlain Trail, I turned right on the Old Boney Trail and continued the descent toward Blue Canyon.

California poppies and bush sunflowers along the Old Boney Trail
California poppies and bush sunflowers along the Old Boney Trail

Partway down, I heard the clap-clap-clap of helicopter blades approaching the canyon, and that’s when it all fell into place. The mysterious person along the Chamberlain Trail was a SAR crew member.

The helicopter was yellow, probably from the Ventura County Sheriff Search and Rescue Aviation/Medical Team. I’ve seen them in the area a number of times doing exercises.

This wasn’t the first time I’d seen something strange from the Chamberlain Trail. A few years ago, I’d noticed an odd-looking object below the Chamberlain and Old Boney Trails junction. It turned out to be a rescue manikin strapped onto a litter. Practice makes perfect, and exercises help ensure the safety and success of demanding SAR operations.

Stream crossing on the Blue Canyon segment of the Backbone Trail.
One of several stream crossings in Blue Canyon.

Farther down the Backbone Trail, there was a striking display of California poppies and bush sunflowers on the hillside above the junction of the Backbone and Old Boney Trails. After photographing the poppies, I returned to the Backbone Trail and entered Blue Canyon. To this point, I’d managed to keep my shoes and socks dry. But that was going to end.

I’d done a similar route in January, partly to see the condition of the Chamberlain, Blue Canyon, and Upper Sycamore Trails. That was the case again today. In the two months since the January run, nearby Circle X has recorded over 13 inches of rain. Not surprisingly, that has resulted in more water in the streams, more wildflowers along the trails, and a bit more eroded and rougher trails.

Some related posts: Looking for Storm Damage in Point Mugu State Park, Pt. Mugu State Park Debris Flows and Flash Floods (2014)

Rainy Weather Running on Rocky Peak Road

San Fernando Valley from Rocky Peak Road.
San Fernando Valley from Rocky Peak Road.

I like splashing through streams as much as anyone does, but today I wanted to try and keep my shoes and socks dry. This Winter that’s been surprisingly hard to do.

Weekdays, I often run from the Victory trailhead at Ahmanson Ranch over to Las Virgenes Canyon and back. But it had rained in the Los Angeles area for four days straight. There was just no question that Ahmanson was going to be wet and muddy, and Las Virgenes Creek would be too wide to jump. I’d have to wade the creek crossings — again.

Paintbrush (Castilleja affinis) along Rocky Peak Road
Paintbrush (Castilleja affinis) along Rocky Peak Road

That’s why this afternoon, I was doing an out-and-back run on Rocky Peak Road from the 118 Frwy trailhead. As a result of the area’s sandstone geology, Rocky Peak Road is usually a pretty good place to run during periods of wet weather. For one thing, there are no creeks to cross. Plus, the rocky and sandy road doesn’t have many areas of “glob on your shoes” mud. It also has excellent views of the San Fernando and Simi Valleys and surrounding mountains.

My turnaround point today was the top of the Chumash Trail, which is a little less than four miles from the Rocky Peak trailhead. I sometimes continue past the Chumash Trail another mile to Fossil Point.

Today, there was one short, muddy stretch that could be mostly avoided and a few large mud puddles I could walk around. At the end of the run I didn’t have to switch shoes to drive home!

Some related posts: A Bear on Rocky Peak Road, Chilly Rocky Peak, Mountain Lion Tracks on Rocky Peak Road, Rocky Peak Vernal Pool

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