A hard request for a challenging hike was heard and exploring the volcanic rock preserve in search of the labyrinth East Bay Sibley certainly is a challenge! Thanks KC! Grab a hiking stick/pole, strap on supportive shoes and bring water and snacks for a hike exploring plate tectonics, cravats and skrees. 
  
Arrive 11a /  Depart 12:30p
Drop Off/Pick Up Info: Sibley Volcanic Regional Preserve - Mazzariello Labyrinth via Round Top Skyline Trail

Sibley Staging Area 6800 Skyline Blvd Oakland, CA
Parking lot. Pit toilets - Slow down on curves to not miss the entrance.

Wear -
Sneakers/hiking shoes
Hat - ****high sun exposure
Sunscreen

Bring -
Water
(nut free) Snack
Handwipes
Walking stick/pole