Following is a list of Lamorinda hikes that are undiscovered to varying degrees – all of which I’ll eventually write a blog post about. If you know about a great, off-the-beaten track hike in the Lamorinda area that’s not listed here, please send me an email and I’ll add it to the list.
Lafayette Area
Burton Valley – Lafayette Community Park Nature Walk
Burton Valley – Hunsaker Canyon Barn Walk
Burton Valley – Hunsaker Ridge Hike
Happy Valley – Russell Peak Loop
Acalanes – Lafayette Ridge Feeder Loops (John Kiefer Loop)
Downtown – Lafayette Ridge Feeder Loops (Peter Jakovina Loop)
Springhill – Sunrise Trail Loop
Springhill – Briones Spengler Loop
Moraga Area
Valle Vista Staging Area – King Canyon Loop Trail
Valle Vista Staging Area – Rimer Creek Loop
Valle Vista Staging Area – Redwood Trail
Rancho Laguna Park – Rocky Ridge Trail
Rancho Laguna Park – Carr Ranch Loop Trail
Rheem Valley – Mulholland Ridge Loop
St. Mary’s College – St Mary’s Peak Loop
Orinda Area
De Laveaga Trail to Siesta Valley
Canyon Area
Redwood Park Loop (from Pinehurst Gate Staging Area)
Backdoor to Huckleberry Preserve (starting in Canyon)
Eastport to Sibley Loop (starting in Canyon)
McCosker Loop Trail (starting in Canyon)
French Trail Loop (over the hill from Canyon, off of Redwood Road)
Oakland/Berkeley Hills
Old Tunnel Road – Skyline Trail to Sibley
Old Tunnel Road – Skyline Trail to Tilden
Grizzly Peak – Claremont Canyon Lookout
Tilden Park Quarry-Seaview Loop
The Undiscovered Hikes of Lamorinda 
What a great resource. Thank you!