Flint Wash, Cherry Canyon and Cerro Negro-part 2 of Double-header near Pasadena

Details
NOTE: THE MAP ON YOUR EMAIL IS WRONG--THE HIKE IS NOT ANYWHERE IN THE USA. IT IS AT A SPECIFIC LOCATION IN PASADENA!!
GOOGLE MAP SHOWING TRAILHEAD:
"B: is the parking lot
"A" is Cerro Negro peak
Trail starts at Upper Arroyo Park, goes under the 210 freeway to Devil's gate dam, then crosses the dam and goes back under the freeway via Flint Wash, and follows the wash to Cherry Canyon park, then the real uphill starts as we climb to Cerro Negro peak which looms over the Descanso Gardens botanical park. Then we return via a different loop down to Flint wash and follow the same route back.
http://photos4.meetupstatic.com/photos/event/5/0/8/e/event_140120622.jpeg
PRINTABLE TOPO MAP OF TRAIL ROUTE--
http://photos1.meetupstatic.com/photos/event/9/3/5/a/highres_140917722.jpeg
http://photos1.meetupstatic.com/photos/event/9/1/a/2/event_140917282.jpeg
LENGTH: about 8 miles, with 1000 feet of elevation gain, about 4 hours
DOG and cats on leash are allowed here
PHOTOS FROM ANOTHER MEETUP GROUP'S HIKE THERE:
https://www.meetup.com/HikeItUp/photos/all_photos/?photoAlbumId=5150882
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THE USUAL STUFF:
BRING ALL THE USUAL STUFF, I'M NOT YOUR MOM....
Bring lunch, clothing (sorry, nude hikes are a different Meetup group), lots of water--3 liters, hat, comfy shoes, snacks, all your troubles..., camera, etc
LEGAL STUFF: by going on this hike, you agree to assume all risks of this hike, and that no one at Meetup including the organizer is responsible for your safety. See the Meetup terms of service especially paragraph 6.2:
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You can see my blog at http://rare-earth-news.blogspot.com (http://rare-earth-news.blogspot.com/) for stories on new parkland purchases and other environmental battles, like the recent addition to Vasquez Rocks park.
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Flint Wash, Cherry Canyon and Cerro Negro-part 2 of Double-header near Pasadena