A4 via San Tomas Aquino Creek Trail is a 4.3-mile out-and-back near Agnew, CA. The route reaches A4 at the turnaround, 2.2 miles in. It is mostly level, with 0 ft of elevation gain. It scores 0/100 on the Ambleway Wildness scale: paved and peopled.
Elevation
0 mi7 – 20 ft4.6 mi
Getting there
Trailhead: San Tomas Aquino Creek Trail 37.40615, -121.97477
Nearest town Agnew, CA
Directions
AMBLEWAYwww.ambleway.com
A4 via San Tomas Aquino Creek Trail
4.3 mi · ▲ 0 ft · 1 hr 26 min
Elevation 5–21 ft
Out & Back
Trailhead: San Tomas Aquino Creek Trail · 37.40615, -121.97477
Weather Aug 4: sunrise 6:15 AM · sunset 8:14 PM
Dogs allowed on leash · Transit-accessible: Great America stop 300 m from the trailhead · Parking lot at the trailhead
- Start at the trailhead, heading N.
- 50 ftContinue straight onto San Tomas Aquino Creek Trail, heading NW.
- 0.6 miTurn left onto San Francisco Bay Trail, heading N.
- 1.5 miReach A4, then turn around and head back the way you came.
- 1.5 miTurn right onto San Tomas Aquino Creek Trail, heading NE.
- 0.6 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
51% paved49% gravel
Weather
Sunrise 6:15 AMSunset 8:14 PM
Sunset
The best sunset spot on this hike is 0.6 mi in (~16 min). Leave by 7:38 PM for the 8:14 PM sunset. Back at your car by 8:45 PM, after dark — bring a headlamp.
Good to know
- Dogs allowed on leash
- Transit-accessible: Great America stop 300 m from the trailhead
- Parking lot at the trailhead
Other ways to reach this destination
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