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Irvine Spectrum to Verizon Amphitheater under 405?

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Irvine Spectrum to Verizon Amphitheater under 405?

Old 03-21-13, 01:43 PM
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Irvine Spectrum to Verizon Amphitheater under 405?

I often ride from Irvine civic center to South Orange County. A frequent route is the SD Creek trail to Irvine Spectrum, then Irvine Center Dr over the 405. I was told that there is an alternate route under the 405 that requires a little bushwhacking, but is passable. I checked the satellite image of the area, and see where it should be. I suspect the image is out of date, since the route described is kind of iffy.

The alternate should start where the route here https://ridewithgps.com/routes/2256598 ends, according to the guys description. Has anyone done this?
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Old 03-21-13, 02:36 PM
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That's right. Where your route ends, make a left and you should see a very rough path. Follow it down and to the left, and it will lead you underneath the 405. Watch for lots of broken glass under the freeway. After passing underneath the freeway, you'll come to a chainlink fence blocking the path. Just walk your bike around it to the right. Then you may proceed towards Irvine Center Drive. As of today, there are unfinished manhole covers so keep your eyes open lest you destroy both wheels rolling over them at speed.


You may bypass this entire area by using the newly completed Lake Forest Road. It connects CA133 to Laguna Hills. So from Irvine Civic center (assuming you are coming from Alton or Barannca) you would go right on Laguna Canyon (pass over the freeway and traffic circle), then cross CA133 into Laguna Altura. Laguna Altura will lead you to Lake Forest Road where you will make a left. This gets you into Laguna Hills, and will lead you to Moulton, etc.

Last edited by idoru2005; 03-21-13 at 02:45 PM.
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Old 03-21-13, 02:41 PM
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Originally Posted by idoru2005
As of today, there are unfinished manhole covers so keep your eyes open lest you destroy both wheels rolling over them at speed.
Would probably do a number on "the junk" too.

Thanks.

Originally Posted by idoru2005
You may bypass this entire area by using the newly completed Lake Forest Road. It connects CA133 to Laguna Hills. So from Irvine Civic center (assuming you are coming from Alton or Barannca) you would go right on Laguna Canyon (pass over the freeway and traffic circle), then cross CA133 into Laguna Altura. Laguna Altura will lead you to Lake Forest Road where you will make a left. This gets you into Laguna Hills, and will lead you to Moulton, etc.
In other words, https://ridewithgps.com/routes/2256598 . The Auto-Draw would not recognize Lake Forest, its that new.

Last edited by CommuteCommando; 03-21-13 at 03:12 PM.
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Old 03-21-13, 09:45 PM
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Found it. Thanks.

https://app.strava.com/activities/45360600

Didn't see any open manholes. Musta fixed em since you were through. Considered taking Laguna Cyn, but decided to stick to plan. Will try it later.
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Old 03-22-13, 02:58 PM
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Originally Posted by CommuteCommando
Found it. Thanks.

https://app.strava.com/activities/45360600

Didn't see any open manholes. Musta fixed em since you were through. Considered taking Laguna Cyn, but decided to stick to plan. Will try it later.

Yep, those appear to have been finished yesterday! I just wish they'd open that chainlink fence and sweep the underpass of glass. I finally flatted today after having ridden through that glass for the past two weeks..
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Old 03-28-13, 11:14 PM
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How long has this path under the 405 been open? Is it even open? I tried maybe a year ago to explore the area after the 405 to the Verizon Amphitheater and the gate was there and while passable, was obviously not ideal for a road bike and would qualify as trespassing (not that I am above that). If it is legit does anyone know if Irvine Company/Irvine is going to incorporate it with the new housing developments to the left and right of the creek/wash?
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Old 03-29-13, 06:11 AM
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Originally Posted by MattCycle
How long has this path under the 405 been open? Is it even open? I tried maybe a year ago to explore the area after the 405 to the Verizon Amphitheater and the gate was there and while passable, was obviously not ideal for a road bike and would qualify as trespassing (not that I am above that). If it is legit does anyone know if Irvine Company/Irvine is going to incorporate it with the new housing developments to the left and right of the creek/wash?
There is brand new smooth asphalt MUP from the gate to Research Dr, which crosses Irvine Center. I think that the only reason the gate is still there is that the apartments between the creek and ICD are still under construction (about 75% complete) The path is part of the green strip that is part of that development.
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