Check in will be at the Muir Woods Plaza.

Inventories will hike along various trails through the Woods. Scientists will be climbing the redwood canopy for the first time ever during BioBlitz. There will be opportunities to see the tree climbers in action in addition to participating in an inventory. Click on 'Sign Me Up' to see the schedule of inventories at this site and reserve a space.

Free, but reservations are required. Individual event times will vary.