Be a part of the action as rangers and the Friends of Los Peñasquitos unite for a half-day of fun.

Take a 10 a.m. nature hike through the canyon with board member Jeanie Anderson.

Hit the trails for a mushroom and fungus walk at 1 p.m. guided by board member Les Braund.

Experts will be on site to answer all of your questions about the property – from its vibrant past to its unique habitats.