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Briones - Blue Oak and Spengler Trails

Native plant expert Gregg Weber will lead on this trail that includes views of some
unusual plants, such as Wax Myrtle and Chapparal pea
(think pink), and Mount Diablo Fairy Lantern and Pygmy Leptosiphon all in bloom.
We will see a lot of diversity in grasslands, oak woods of several
species, chemise/black sage chaparral, with pipevine swallowtail caterpillars.
The Blue Oak loop has
a 700 foot elevation change and quite a few ups and downs. The
round trip is about 5 miles.

Directions: Take Highway 24 to Lafayette, and exit at Pleasant
Hill Road north. Go about one mile north on Pleasant Hill Road,
and turn left onto Reliez Valley Road. Stay on Reliez Valley Road
for about 3.5 miles. The parking lot is on the left, after Withers
Ave. Do not go into the park entrance farther north on Reliez
Valley Road or you will miss the field trip.











You won't see a pipevine in chamise anywhere else I know of.

Dogs:  Our apologies, but please don't bring a dog along

Safety:  Outdoor activities are inherently risky.  On hiking trips, grave injury and death are not out of the realm of possibility.  By coming on this trip, you agree to be 100% responsible for your own health, safety and well being.  If you bring a guest(s), that guest(s) will be 100% responsible for his/her own health, safety and well being.

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  • Karl R.

    Beautiful day, great hike.

    May 19, 2014

  • A former member
    A former member

    Just confirming that the time frame is correct at ~ 6 hrs. I'll assume it is if I don't hear otherwise. Thanks.

    May 17, 2014

    • Frances

      I'm not Gregg, but this duration is not unusual. (Plant people walk slowly so it won't be 6 hours of hard hiking.) Also typically involves a stop for lunch.

      May 17, 2014

    • Gregg W.

      correct. If you walk at a brisk pace, you can do this loop in about 1.75 hours

      May 18, 2014

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