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Old 05-31-2013, 04:52 PM   #1
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Question.. Cajon Pass I-15

Hey folks, I'm traveling west on I-40 towards Southern CA via Cajon pass I-15. Is there a big climb coming from the west through that canyon?

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Old 05-31-2013, 05:02 PM   #2
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Shows 4259 ft. on my map , and I've only gone over from the south. That side was a climb , and I can't remember what the down slope towards Victorville was like . I'm thinking that the worst slope was the LA side or it would have stuck somewhere in my memory.

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Old 05-31-2013, 05:15 PM   #3
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Going West out of Victorville there is really hardly any climb at all to the top of Cajon Pass. Now coming East up Cajon it is a climb, but not that bad.
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Old 05-31-2013, 05:17 PM   #4
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Not a bad pull just keep to the right and do the best you can. You will be going downhill from the high desert. so don't go any faster that when you went up. Down is almost as bad as up so don't let your rig get away from you. Stop at the top, let things cool off and check things over before you head down.
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Old 05-31-2013, 05:18 PM   #5
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It's been a couple of years but as I remember it heading East or North on I-15 towards Victorville is a good climb but it is four lanes.
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Old 05-31-2013, 06:27 PM   #6
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Victorville to the summit is less than 1000 ft. Difference. No problem. The LA side is long and steep.
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Old 06-01-2013, 03:55 PM   #7
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Going up the pass, coming from the west traveling east, the climb starts just out of San Bernardino. Actually Devore. That grade is fairly short. Next is a downgrade, then the actual pass itself. (There are dedicated truck lanes in both directions.) Once at the summit, there is mild downgrade for a few miles into Victorville. Coming from the east going west, unlike some mountain passes, it is basically just the reverse. This is not a pass to worry about. It is posted as a 6% grade. Just keep an eye on your downhill speed. Afternoon winds can be an issue. Generally, it's a headwind from Victorville to the summit. Crosswinds can get real strong in the Devore area. This area often has high profile vehicle warnings.
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Old 06-01-2013, 04:09 PM   #8
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I've done that route many times (Vegas to LA) and the only problem I ever found was overheating during the summer (triple digits). Keeping to the truck lanes and lower speeds usually does the trick.

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