An exceptional late afternoon trail run at Ahmanson Ranch last week as a weak cold front passed through.
Here are a few photos taken along the way.
Category Archives: nature
Looking for Storm Damage in Point Mugu State Park
Continuing the theme of checking out local trails following the December 2022 – January 2023 series of rainstorms, this morning I did a trail run/hike from the Wendy Drive Trailhead in Newbury Park.
I was able to check out several trails — and get in a little climbing — by doing Sandstone Peak via Boney Mountain’s Western Ridge and Tri Peaks and then returning by way of the Backbone Trail, Big Sycamore Canyon, and the Upper Sycamore Trail.
The surprising headline is that the trails on this route held up better than expected. Although there was a lot of rain, the rain rates in this area must not have been excessive. Generally, it looked like streams were able to handle the runoff.
It didn’t come out of it unscathed, but the Blue Canyon segment of the Backbone Trail was less damaged than usual. Some route-finding through the cobble was required, but a new use trail was already starting to emerge. I was also surprised to see that several oft-repaired sections of the Upper Sycamore Trail were mostly intact. There was a lot of creek hopping on these trails, but it was good to hear the burble and gurgle of the rejuvenated streams.
Work done by the Santa Monica Mountains Trails Council prevented additional damage. In the past, a section of Old Boney segment of the Backbone Trail between the Chamberlain Trail junction and Blue Canyon has always had significant problems following rainstorms. Water would run down the trail, eroding ruts and exposing rocks. In one place, most of the trail had collapsed into the canyon. Thanks to the SMMTC, I ran it today without a second thought. A steep section of the Backbone Trail above Chamberlain Rock, repaired by the SMMTC, also held up well.
Speaking of which… As I was running down the Chamberlain Trail, I’d noticed some shoe tracks that were also headed down. This was a bit odd because there weren’t any tracks coming up. The puzzle was solved when I caught up to three hikers near Chamberlain Rock. They had also done the Western Ridge of Boney Mountain and were going to complete the loop via Sycamore Canyon.
Here is an interactive, 3D terrain view of a GPS track (yellow) to Sandstone Peak from Wendy Drive via Boney Mountain’s Western Ridge and Tri Peaks, then returning via Big Sycamore Canyon and the Upper Sycamore Trail. Two alternate routes are also shown (red). 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.
Some related posts: Looking for Boney Mountain, Pt. Mugu State Park Debris Flows and Flash Floods (December 2014), Sandstone Peak from Wendy Drive
Popular Trails in Topanga State Park Damaged by Winter Storms
Several popular trails and fire roads in Topanga State Park have been damaged by the cumulative effects of Winter 2022-2023 rainstorms.
Since December 1, 2022, the Topanga Remote Automated Weather Station (RAWS) has recorded nearly 16 inches of rain. The most rainfall occurred January 9-10, when about 5.4 inches was measured.
On Sunday, January 15, I did an exploratory trail run from the Top of Reseda that took me through some popular areas of the Park. This included Fire Road #30, the Hub, Temescal Peak, Temescal Lookout, Temescal Ridge Fire Road, Eagle Springs Fire Road, Eagle Rock Fire Road, the Garapito Trail, and the Bent Arrow Trail.
There were numerous mudslides on the fire roads. The larger slides were on Fire Road #30 below the Hub and Temescal Ridge Fire Road between the Backbone Trail junction and Temescal Lookout. There was also significant roadbed and shoulder erosion in places. At the time, all were passable on foot.
The trails were a different matter. Unfortunately, much of the repair work done on the Bent Arrow Trail following last year’s rain was damaged or destroyed.
The Garapito Trail was blocked in two places on the upper part of the trail. One problem was from a sluff of soil and brush sliding onto the trail. The other was from the collapse of a section of trail. There were additional sluffs, limbs, and washouts on the trail that were passable at the time.
Update February 5, 2023. The Bent Arrow Trail is closed. Fire Road #30, Eagle Springs Fire Road, and East Topanga Fire Road to Parker Mesa Overlook had all been cleared. The Musch Trail was eroded in spots but OK. Use of the Garapito Trail has moderated its condition. Some brush had been cleared and paths have evolved through the sections of collapsed trail. Extra care is required in some spots.
Here are a few photos taken along the way.
Other trails and fire roads in Topanga State Park likely had similar impacts. I would expect, like last year, sections of the Santa Ynez Trail lower in the canyon to be washed out.
Related post: Trippet Ranch Loop Plus the Santa Ynez Trail
Downtown Los Angeles (USC) Already at 94% of Normal Annual Rainfall
La Ninas are fickle beasts, and particularly in a time of climate change, the existence of La Nina conditions in the equatorial Pacific is no guarantee of a dry rain season in Southern California.
According to preliminary rainfall data, from December 1, 2022, to January 16, 2023, Downtown Los Angeles (USC) recorded 11.01 inches of rain. This was 77% of the normal rainfall for an entire year.
This brings the Rain Year total precipitation for Los Angeles up to 13.38 inches — the sixth wettest for the date going back to 1877 — and 94% of the normal ANNUAL rainfall.
Crow Meetup on Eagle Springs Road
It was the day before the strongest of a series of Pacific storms was forecast to move into Southern California. It would add several inches of rain to an already impressive total. I was curious to see how the trails and roads in Topanga State Park were holding up before the big one hit.
I’d just run up Fire Road #30 to the Hub and was part way down Eagle Springs Fire Road when I heard the caw, caw, cawing of hundreds of crows. They were everywhere — perched on burned branches of chaparral, on the road, and soaring overhead. Anywhere I looked, there were crows.
Here is a very short (19-second) video of the crow congregation.
The run went well. Most of the mud could be avoided, and I didn’t have to wade through any puddles or creeks. Except for the Bent Arrow Trail, the damage to the roads and trails at this point wasn’t too bad. But that was going to change.
Related posts: Winter Colony of Crows in Cheeseboro Canyon, Congregating Crows on Lasky Mesa, Trippet Ranch Loop Plus Temescal Peak
Bigberry Manzanita – A Hummingbird Hotel
From a hummingbird perspective, it was the perfect place to spend a cold night.
The big berry manzanita was situated on the spine of a north-south oriented ridge near Topanga Lookout. In that location, a bird might benefit from the warmth of both the setting and rising sun.
In addition, the bush’s thicket of stiff branches afforded some protection from predators, and the multitude of nectar-rich blossoms would provide a badly needed boost of wake-up energy.
The temperature was warmer now, but it had been near freezing at the Cold Canyon trailhead when I started the Topanga Lookout Ridge loop. It had been cold enough that I had jogged the steeper sections of Calabasas Peak fire road, just to ward off the chill.
Humans are funny that way — a small drop in body temperature can be life-threatening. How in the world can a diminutive hummingbird, whose caloric needs require it to feed almost constantly, survive a long, cold Winter night?
Research reveals that hummingbirds accomplish this feat by reducing their body temperature and metabolic rate. This physiological state — called torpor — dramatically reduces their energy requirements.
This particular manzanita apparently receives a lot of 5-star reviews, and at the time I passed, was occupied by several buzzing birds.
From Sunday’s run of the Topanga Lookout Ridge loop.
Related post: Hummingbird Stories