San Jose
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Description: Alviso Marina County Park is one of two gateways into the Don Edwards National Wildlife Refuge, which consists of 13 miles of flat trails on levees separating wetlands reclaimed from former salt evaporation ponds. There are two connected loops of trails. A nine mile flat loop on a dirt/gravel road surrounding wetlands and bounded by the confluence of the Guadalupe River and Coyote Creek at the southern tip of the San Francisco Bay starts at the Alviso Marina. The second loop is a similar 3.5 mile flat ride along levees that starts at the Don Edwards National Wildlife Refuge visitors center. The two loops are joined by a grade level railroad crossing. Beware that this is a very active railroad track, with the Altamont Express Commuter Train, Amtrack, and Union Pacific Freight trains all using the track. There is no gate or warning lights at the crossing. An additional dead end spur trail goes to Coyote Creek and the site of Drawbridge, now a ghost town. Alviso/Don Edwards, with no climb at all, is the easiest of trails in the South Bay. Restrooms are at both the Alviso Marina and Don Edwards visitors center parking lots.
In the Wet Season: Trails are open.
Directions: First St. south from State Route 237. Right on Gold St. Left on Catherine, Right on Hope St. A link to the parking location in Google Maps is here. The refuge can also be entered via the Don Edwards NWR visitors center on Grand Blvd in San Jose.