The Mystery of Lost Lake of the Cajon Pass

It is not known to many people, but it is still possible to use the old highway up through a portion of the Cajon Pass. Present day highway 15 runs well above old 395 and Historic Route Highway 66. Such rustic areas as Blue Cut and Halls Ranch (Yes my Family again), and Sullivan's Curve still exist.

As you drive up the badly surfaced road from Devore (Use the Kenwood Exit from the Northbound 15 and make a left, pass under the 15 and then make a right on Cajon Blvd [old 395 & route 66]) you notice that for the most part you are driving on what would be the southbound lanes of the old 4 lane highway. As you come around the curve at Blue Cut you notice that there is now a mountain sitting over the right-hand lanes into the center divider. You might think that this is ample proof that the San Andreas Fault zone is alive and moving. But you would be wrong. It is actually the San Jacinto Fault Zone that straddles the highway. The San Andreas is still one mile ahead.
Two Faults zones so close together and visible? As you proceed north you notice that the entire area between the faults is moving to the north and at different speeds. Only 2 or 3 inches a year, but they are moving. So much so, that railroad crews from both the Union Pacific and Burlington Northern Santa Fe, have to go out twice a year and reset the tracks. Otherwise, the train tracks would bend out of shape, just like old 395 has.

As you proceed, you will see a sign that says 'Lost Lake'. It also says private road so most people ignore it and just keep heading up towards Sullivan's Curve. Sullivan's Curve by the way, is a favorite Train Watcher area and has also been the scene of several major train accidents over the years. The best way to get into this area is to exit highway 15 at Cleghorn Pass Road, make a left under the freeway if you are going north bound that is and then make a right on the first roadway you see. This will take you back to a triple track bypass area, a small yard, and the beginning of the lower end of Sullivan's Curve.

But if you take the time to make the left turn onto the dirt road and cross the triple set of tracks that tend to hide it's route, you eventually find a quiet little area that should not exist. For there are no streams, creeks or rivers that feed into Lost Lake. The water seeps up from beneath the ground. A direct result of two major earthquake faults zones passing within a half mile of each other.

Some say that Lost Lake has no bottom, that it feeds directly from the center of the earth. The water is also very cold, below freezing even in summer time. Fire crews have used its water supply to help fight fires, and they have never noticed a drop in water levels. It always stays the same, even in heavy rain seasons. And snow fall has no effect on it. But it has never frozen either.

Lost Lake is surrounded by lush grassy vegetation, some what like what you might see back in Kentucky or Tennessee. In fact Kentucky Blue Grass grows all around the lake.

As you drive further into the narrow valley you realize that both fault zones are coming together. All of a sudden you run into a wall of a mountain that blocks your way. You can climb up this 500 foot high rock fall and look out over the valley you have just passed through. To the northwest are the 10,000 peaks of Mt Baldy, Cracka Ridge and the Mountain High Ski area. As you hike through the area you become aware of how insignificant you are amongst the grander of the Fault Zones, the Mountains and the trees.

Comments

If you're calling someone "ignorant" for their choice of words and ignoring the fact that two people were having sex in a public place where children were present...then you're the ignorant one. Pull that airhead of yours out off your ass.

Hate to bust your bubble. When you see two guys have sex in public, they are usually NOT gays...they are straight men who are experimenting, frustrated, drunk, or being downright stupid.

My family & I used to go to Lost Lake a lot! We camped and swam. We bring our buggies or ATVs. There was some pretty great places to ride the trails and go down to the creek and play in the water, it was safe for the family to go to. That was in the 80's, and very early 90's. We went back later on, and it was fenced off with a parking lot - you could no longer drive down to the lake. There were places just past that we had 'heard' that bikers went, but never really saw a big group, but some there still, along with us. Our friends would all go here also with ATVs, it was a blast. I know now that along the old highway, at least before we moved to AZ in 2005, that men would meet up there for 'clandestine' meetings. It was a great place to go to around there quite a few years ago. I think the worse I ever saw there was a mud-wrestling competition by some semi-nude girls on the far side of the lake. LOL.

I lived down the dirt road (1974), passed the lake when I was a kid. Don't remember a lot of fishing, serious crawdads tho. Used to always swim across the lake, until one day something creeped me out. I do remember a car rolling in due to a parking brake fail.

Finally went to Lost Lake today for the first time.  I don't see any possible way that this little puddle could be more than 10 or 20 feet deep at the most.. It's just too small to be any deeper. I could also see where it was obvious that the water level has dropped recently.  

The water was also very clean and clear. Being a scuba diver I would estimate the visiblity to be at least 10 feet or more.  Didn't stick my fingers in to see how cold it was though.

I have passed all those guys in their cars and just thought they were taking a rest from driving--seems like a good place to pull over if you were doing a long interstate drive. But a queer hang out out place. That is funny; about as out of place as lost lake.

Snorkeled lost Lake in 2008 and found no deep holes as legend holds, deepest part was around 12 feet deep on the north end towards the trees. I found this area of the lake had larger gravel and rocks with cooler water circulating up into the lake, East side of the lake is covered in reeds and impossible to perpetrate. If there's a hole in the bottom I never found it.

In light of the drought, sounds like someone should be tapping that sucker for water!

had not been to lost lake in 15 years so decided to go up last weekend and was shocked to see the lake down about 10 feet. Water quality was bad. Lake looked to be no bigger than an acre. Sad!

I went there once in 2011 and when i got there i felt a strange feeling.....so weird tho i also got un air boat and flip and i was struggling getting back up i seriously thought i was going to drawon

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