Portola Discovery Site of San Francisco Bay & Mori Ridge Trail via Sweeney Ridge Trail is a 4.5-mile out-and-back in Sweeney Ridge (GGNRA) near Vallemar, CA. The route reaches Portola Discovery Site of San Francisco Bay at the turnaround, 2.2 miles in. It climbs 1,036 ft, with sections as steep as 21% grade, and is mostly dirt. It scores 7/100 on the Ambleway Wildness scale: paved and peopled.
Elevation
0 mi240 – 1,266 ft · steepest grade: 21%4.6 mi
Getting there
Trailhead: Mori Ridge Trail 37.61737, -122.48317
Nearest town Vallemar, CA
Directions
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Portola Discovery Site of San Francisco Bay & Mori Ridge Trail via Sweeney Ridge Trail
4.5 mi · ▲ 1,036 ft · 2 hr 1 min
Elevation 240–1,267 ft
Out & Back · Sweeney Ridge (GGNRA)
Trailhead: Mori Ridge Trail · 37.61737, -122.48317
Weather Sep 20: sunrise 6:57 AM · sunset 7:12 PM
Transit-accessible: Westport Drive & Lundy Way stop 374 m from the trailhead · Parking lot at the trailhead
- Start on Mori Ridge Trail, heading E.
- 1.7 miBear left onto Sweeney Ridge Trail, heading S.
- 0.6 miReach Portola Discovery Site of San Francisco Bay, then turn around and head back the way you came.
- 2.2 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
78% dirt22% paved
Weather
Sunrise 6:57 AMSunset 7:12 PM
Sunset
The best sunset spot on this hike is 0.1 mi in (~5 min). Leave by 6:46 PM for the 7:12 PM sunset. Back at your car by 7:29 PM — 9 min before dark.
Good to know
- Transit-accessible: Westport Drive & Lundy Way stop 374 m from the trailhead
- Parking lot at the trailhead
Other ways to reach this destination
More from Mori Ridge Trail Trailhead
- Portola Discovery Site of San Francisco Bay–Pilarcitos Lake, 4 sights 16.1 mi · ▲ 2,676 ft
- Baquiano Trail & Mori Ridge Trail via Sweeney Ridge Trail 6.4 mi · ▲ 1,409 ft
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Hikes near Vallemar, California