A4 & San Francisco Bay Trail is a 10.2-mile out-and-back in Don Edwards San Francisco Bay National Wildlife Refuge near Alviso, CA. The route reaches A4. It is mostly level, with 0 ft of elevation gain, and mostly gravel. It scores 0/100 on the Ambleway Wildness scale: paved and peopled.
Elevation
0 mi0 – 26 ft10.3 mi
Getting there
Trailhead: Unnamed 37.42624, -121.98003
Nearest town Alviso, CA
Directions
AMBLEWAYwww.ambleway.com
A4 & San Francisco Bay Trail
10.2 mi · ▲ 0 ft · 3 hr 24 min
Elevation 1–28 ft
Out & Back · Don Edwards San Francisco Bay National Wildlife Refuge
Trailhead: 37.42624, -121.98003
Weather Aug 4: sunrise 6:15 AM · sunset 8:14 PM
Transit-accessible: Gold Street & North Taylor Street stop 361 m from the trailhead
- Start at the trailhead, heading W.
- 0.2 miBear left, heading S.
- 0.5 miSharp left, heading E.
- 0.5 miTurn right onto San Francisco Bay Trail, heading SW.
- 1.5 miPass A4.
- 250 ftSharp right, heading NW.
- 0.4 miTurn left, heading E.
- 2 miReach A4, then turn around and head back the way you came.
- 2 miTurn right, heading SW.
- 2 miTurn left, heading NE.
- 0.5 miSharp right, heading W.
- 0.5 miBear right, heading N.
- 0.2 miArrive back at the trailhead.
Each distance is the walk from the previous step. Tap a step for a map of its junction.
Trail surface
83% gravel8% paved9% unspecified
Weather
Sunrise 6:15 AMSunset 8:14 PM
Sunset
The best sunset spot on this hike is right at the trailhead, so there is no walk out. Be there by 7:53 PM to have the sun's last 20 minutes of sky before it sets at 8:14 PM. Your car is right there — dark at 8:43 PM.
Good to know
- Transit-accessible: Gold Street & North Taylor Street stop 361 m from the trailhead
Other ways to reach this destination
More from this trailhead
- A12–A13, 3 lakes 3 mi · ▲ 0 ft
- San Tomas Aquino Creek Trail 3.4 mi · ▲ 0 ft
- A12–A13, 4 lakes 5.2 mi · ▲ 0 ft
Get outside more
A wild hike near Alviso, emailed to you once a week.
Hikes near Alviso, California