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

I'm sorry, but the location of the trails are better known (and told) by Nick Cataldo, also of the Historical Society, which, incidentally, is located at the corner of 8th and D street. Nick has a once-a-year historical tour from the top of the Cajon Pass, down past the John Brown toll road, Mormon rocks, certain old route 66 stops, Blue Cut, and other interesting bits of informative stops. Look for the tour to be advertised around November in the Sun newspaper. Who is this "anonymous person who knows me.....

Yes, Lost Lake is a sag pond that filled up with water after the fort tejon quake of 1857. Totally bitchen area with so much history. I can understand exactly what many of you have said about a creepy feeling around the lake, an it being so dark. be careful all around this area. Many people have been reported missing from this area since the early 70s.. numerous bodies have been pulled from this lake. definiately a cool place. the lake sits directly on the san andreas fault. This area is constantly moving. The train tracks nearby are adjusted twice a year to keep the trains from derailing. From Lytle creek up through the cajon pass there are many hidden treasures. the mormen trail.. another great place so rich in history.

I grew up in Fontana in the 90's and have gone to Lost Lake for more than 15 years.

A good friend and I used to take our kids there and meet up in our classic v-dubs. I really love this lake however I hate the fact that some people disrespect it by leaving their trash and diapers and fish hooks in the water. If you go there please be sure to buy the nature adventure pass first (this pays for the tables and for the workers to clean up after those who trash the lake) for $5 or you risk getting a $60 fine!
Also BEWARE that the train viewpoint turnout on old route 66 that leads down the the creek is frequented by truck drivers, homosexuals and perverts looking to "hook-up" with one another, and not to allow your children to explore this area without adult supervision! Back in the summer of "08 my friend and I were followed by a creepy fat latino pervert in a white large chevy truck and he attempted to expose himself to us and our kids! Just be careful and If you are like me, young cute adventuring Mom, you should always carry a knife with you AT ALL TIMES!

Have fun and good luck!

OMG! I noticed the many male homosexuals also. They are totally prostituting and drug dealing!!! But I have noticed they are close to creek not this lake? Was the experiance at the actual lake?

You really have to watch your kids around the creek there is a lot of homosexual activitys and drugs around the creek area. That area is known for homosexual hook ups!!

The creepy pervert incident was at the lake in the parking lot! We had seen this man before and recognized his vehicle, he followed us in it more than once. The first time we saw him he was swimming in the lake in tighty-whiteys so we nick-named him "The Panty-Man"! BEWARE THE FREAKY PANTY-MEN!!!

No, it wasn't at the lake, it was at the creek BUT, I have seen sexual things happen at the lake parking lot, the used condoms on the ground give it away. Very sad. What ever happened to ,'get a room'?

Hold on folks! We gays are NOT the ones being "perverts" around your kids! Gays know to "get a room." What you're dealing with are straight men who need to "get off" with a guy or who are REAL perverts checking out your kids! They're not getting what they want at home, are experimenting or are just downright being weird wanting children. I am a dad so I watch out for my son! Don't dump all of the crap on gays.

i have been there once in my life and will never go back.the feeling i got when i crossed that river and felt that bone chilling cold water is a feelinf i can not explain. Lost Lake yea wont be goin back there again

In the summer of 1961 my husband, his friend my cousin and myself decided to go spear fishing at night in Lost Lake (by Cajon Pass CA). My husband and his friend went underwater and speared orangish fish which we took home cleaned and ate.

They found the lake not to be bottomless they snorkeled around the whole lake with underwater lights. I hate to burst peoples bubbles... I am sure there are fissures which supply it with water though. The worst thing that happened to us at Lost Lake was that some dummies were shooting guns randomly and almost shot us one day.

We used to drive the back roads there with our dune buggies quite a bit.

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