Portola Discovery Site of San Francisco Bay & Sneath Lane Trail is a 3.5-mile out-and-back in Sweeney Ridge (GGNRA) near Westborough, CA. The route reaches Portola Discovery Site of San Francisco Bay at the turnaround, 1.8 miles in. It climbs 580 ft, with sections as steep as 15% grade, and is mostly paved. It scores 8/100 on the Ambleway Wildness scale: paved and peopled.
Elevation
0 mi610 – 1,224 ft · steepest grade: 15%3.6 mi
Getting there
Trailhead: Sneath Lane Trail 37.61922, -122.45397
Nearest town Westborough, CA
Directions
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Portola Discovery Site of San Francisco Bay & Sneath Lane Trail
3.5 mi · ▲ 580 ft · 1 hr 27 min
Elevation 609–1,225 ft
Out & Back · Sweeney Ridge (GGNRA)
Trailhead: Sneath Lane Trail · 37.61922, -122.45397
Weather Sep 20: sunrise 6:57 AM · sunset 7:11 PM
Dogs allowed on leash · Transit-accessible: Sneath Lane & Monterey Drive stop 751 m from the trailhead · Parking lot at the trailhead
- Start on Sneath Lane Trail, heading SE.
- 1.7 miTurn left onto Sweeney Ridge Trail, heading S.
- 300 ftReach Portola Discovery Site of San Francisco Bay, then turn around and head back the way you came.
- 300 ftTurn right onto Sneath Lane Trail, heading N.
- 1.7 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
96% paved4% dirt
Weather
Sunrise 6:57 AMSunset 7:11 PM
Sunset
The best sunset spot on this hike is 1.6 mi in (~56 min). Leave by 5:55 PM for the 7:11 PM sunset. Back at your car by 8:07 PM, after dark — bring a headlamp.
Good to know
- Dogs allowed on leash
- Transit-accessible: Sneath Lane & Monterey Drive stop 751 m from the trailhead
- Parking lot at the trailhead
Other ways to reach this destination
More from Sneath Lane Trail Trailhead
- Baquiano Trail & Sneath Lane Trail 5.4 mi · ▲ 955 ft
- Mori Ridge Trail & Sneath Lane Trail 7.7 mi · ▲ 1,635 ft
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