From East Bay Regional Park District:

SIBLEY VOLCANIC REGIONAL PRESERVE (EASTPORT STAGING AREA): Meet at Sibley’s Eastport Staging Area for a beautiful loop of about 4 miles on the McCosker Loop Trail, highlighting Alder Creek and Gudde Ridge. In addition to butterflies, there will be sweeping views and maybe golden eagles soaring the winds. About 4 miles and 850 feet of elevation gain.

Bring binoculars and a hand lens if you have them available. We will have some to pass out as needed. Please also keep food, water and comfort in mind. Since these walks are in May and June, hats and/or sunscreen are recommended.

Ages 9 and up.

Parking is limited, please carpool. No dogs allowed in this newly restored section of Sibley.

Drop-in; no registration required.

For information, call 510-544-3187.

MAP: Sibley Volcanic Regional Preserve (Eastport Staging Area)

For more info, visit: https://anc.apm.activecommunities.com/ebparks/activity/search/detail/58882?onlineSiteId=0&from_original_cui=true