Elliston · Photo: MARELBU · CC BY 3.0Few parks or trails are on the map in Sunol
The biggest trail networks: Pleasanton Ridge Regional Park (29.4 mi). 49% of Sunol’s land is conserved, about 8,855 acres. 1,459 acres are parks and preserves, 1,723 per 1,000 residents.
Conserved land, trails & bike routes
Tap a number to zoom to a park. Tap a layer to hide it.
Pick a walk
The longest trail network is Pleasanton Ridge Regional Park, with 29.4 miles. Directions go to the nearest trailhead or public parking.
Ohlone Wilderness Trail Permit Area
Vargas Plateau Regional Park
8,855 conserved acres
49% of Sunol’s land. Who manages Sunol’s conserved land, from the USGS Protected Areas Database. Approximate, because parcels can overlap.
Conserved doesn’t always mean open to visitors. 20 acres are conservation easements, usually private land. The walks above are places people visit.
| Parcel (PAD-US) | Managed by | Acres | Public access |
|---|---|---|---|
| San Francisco Watershed Lands Local Other or Unknown | County | 4,866 | Restricted |
| Pleasanton Ridge Regional Park Local Park | Regional agency | 3,243 | Open |
| Sunol Regional Wilderness Local Conservation Area | Regional agency | 718 | Closed |
| Vargas Plateau Regional Park Local Park | Regional agency | 7 | Open |
7 places to go in Sunol
Beaches, playgrounds, peaks, falls and more. Pick a kind.
6 picnic areas without a name on the map. Tap “Show all on map” to see them.
18 named trails and 2 lakes & rivers
8 more trails
16 miles of bike routes
Bike lanes are often missing from the map in smaller towns, so that number is likely low.
Includes school and college facilities, which aren’t always open to the public.
3 places on the National Register
The country’s official list of places worth saving (National Park Service). The map also marks 1 historic points from OpenStreetMap: plaques, memorials and old buildings.
The best walking months in Sunol: April to August
NOAA’s 1991–2020 normals for the town and the daylight at its latitude. Outlined months have long days, highs of 59 to 86 °F and little rain for the place.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 9.8 | 10.7 | 11.9 | 13.1 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.1 | 10.1 | 9.6 |
| High (°F) | 58 | 61 | 65 | 69 | 75 | 81 | 86 | 86 | 84 | 76 | 65 | 57 |
| Rain (in) | 3.7 | 3.6 | 3.2 | 1.6 | 0.7 | 0.1 | 0.0 | 0.0 | 0.1 | 1.0 | 2.1 | 3.8 |
July is the driest month (under 0.1 in) and the warmest (highs of 86 °F). 3.8 inches fall in December, the wettest month. The climate in Sunol →
Sunol and its neighbors
Tap a town to see its outdoors.
| Town | Conserved of land | Trail mi per sq mi | Park acres per 1,000 | Near a park ½ mile | Outdoors |
|---|---|---|---|---|---|
| Sunol | — not graded: under 1,000 residents or part of its town | ||||
| Fremont | 41% | 0.8 | 27 | 98% | A |
| Pleasanton | 12% | 1.8 | 21 | 97% | A |
| Hayward | 42% | 1.5 | 54 | 98% | A+ |
The four inputs of the Outdoors grade, from the engine; shares are of land, not water.
Questions about parks and trails in Sunol
Where can I hike in Sunol?
The longest trail networks: Pleasanton Ridge Regional Park, 29.4 miles; Vargas Plateau Regional Park, 0.1 miles. Each one is on the map above, with directions to the nearest trailhead or parking.
Are dogs allowed on Sunol’s trails?
OpenStreetMap records dogs as welcome at Vargas Plateau Regional Park (on leash). For the rest, check the signs at the trailhead.
Where can I bike in Sunol?
16 miles of bike routes are on the map: 7.5 of painted or protected lanes, 0.1 of off-road paths and 8.1 of shoulders and shared lanes.
Is there public land near Sunol?
51,852 acres of parks and open public land lie inside Sunol or within 10 miles of it (PAD-US), 1,459 of them inside the town line.
Trail talk
Conditions, parking and favorite walks from Sunol neighbors.
Where this page comes from
Conserved and public land: USGS Protected Areas Database of the United States (PAD-US), service updated July 2026. Parks, trails, playgrounds, beaches and other places: OpenStreetMap (© OpenStreetMap contributors, ODbL), map data as of 2026-10-28. Land and water area: Census 2025 Gazetteer. Residents near a park: 2020 Census blocks. National Register: National Park Service. How TownRatings grades the outdoors →