A12–A13, 4 lakes is a 5.2-mile out-and-back in Don Edwards San Francisco Bay National Wildlife Refuge near Alviso, CA. The route passes A12, A13 and A15. It is mostly level, with 0 ft of elevation gain, and mostly dirt. It scores 21/100 on the Ambleway Wildness scale: paved and peopled.
Elevation
0 mi0 – 16 ft5.5 mi
Getting there
Trailhead: Unnamed 37.42770, -121.97911
Nearest town Alviso, CA
Directions
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A12–A13, 4 lakes
5.2 mi · ▲ 0 ft · 1 hr 44 min
Elevation 1–17 ft
Out & Back · Don Edwards San Francisco Bay National Wildlife Refuge
Trailhead: 37.42770, -121.97911
Weather Aug 4: sunrise 6:15 AM · sunset 8:14 PM
No dogs on part of this route · Transit-accessible: Gold Street & North Taylor Street stop 301 m from the trailhead · Toilets at the trailhead · Drinking water at the trailhead
- Start at the trailhead, heading W.
- 100 ftTurn right onto Alviso Marina Pathway, heading NW.
- 0.1 miPass A12.
- 300 ftBear right, heading NE.
- 50 ftTurn left onto Alviso Slough Trail, heading NE.
- 1.3 miPass A13.
- 50 ftPass A15.
- 1.1 miReach A12, then turn around and head back the way you came.
- 2.4 miTurn right, heading S.
- 50 ftBear left onto Alviso Marina Pathway, heading S.
- 0.2 miTurn left, heading NW.
- 50 ftArrive back at the trailhead.
Each distance is the walk from the previous step. Tap a step for a map of its junction.
Trail surface
94% dirt4% gravel2% paved
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 7:54 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
- No dogs on part of this route
- Transit-accessible: Gold Street & North Taylor Street stop 301 m from the trailhead
- Toilets at the trailhead
- Drinking water at 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
- A4 & San Francisco Bay Trail 10.2 mi · ▲ 0 ft
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