



Lost Trail
Portola Valley
A hilly 2.8-mile trail that rewards the climb with sweeping 360-degree views from Windy Hill Summit. Peaceful and well-maintained, with plenty of connecting trails if you want to extend the adventure.
Panoramic summit views
Hilly workout hike
Peaceful foggy mornings
Well-maintained paths
Tips
🌫️fog rolls in often, bring layers
🅿️arrive early for best parking
☀️exposed trail, sunscreen essential in summer
Lost Trail
Portola Valley




A hilly 2.8-mile trail that rewards the climb with sweeping 360-degree views from Windy Hill Summit. Peaceful and well-maintained, with plenty of connecting trails if you want to extend the adventure.
Panoramic summit views
Hilly workout hike
Peaceful foggy mornings
Well-maintained paths
Tips
🌫️fog rolls in often, bring layers
🅿️arrive early for best parking
☀️exposed trail, sunscreen essential in summer