El Corte de Madera Creek Open Space Preserve, Redwood City, CA

This hike features redwoods and a tafoni sandstone formation. The trail is very steep, bring at least 4 bottles of water per person.

Start at the East end of the park for a 10-mile clockwise loop. Take the following trails in order: Sierra Morena .3, Gordon Mill .5, Crossover .2, Crosscut .5, Timberview .5, Giant Salamander 1.1, Methuselah .3, Fir 1.4 (to vista point and back to junction), Resolution 1.1, El Corte de Madera Creek .6, Tafoni 1.1 (to Sandstone Formation and back to junction), Fir .2, Manzanita .1, Methuselah .7, and Sierra Morena .8.

Trail: See above. About 10 miles
Difficulty: Moderate to Strenuous (steepness, length)