Photo: FASTILY · CC BY-SA 4.0Blackhawk has 221 acres of parks, 22 for every 1,000 residents
6% of Blackhawk’s land is conserved, about 218 acres. 2.4 miles of mapped trail cross Blackhawk, 0.4 per square mile of land. 61% of residents live within a half mile of a park.
Ahead of 65% of U.S. towns · #401 of 847 in California. What drives it
How much outdoors does Blackhawk have?
On conserved land, trails, park land and how close residents live to a park, Blackhawk is ahead of 65% of U.S. towns, #401 of 847 in California. Park acres per resident hold the grade up; the share of residents near a park pulls it down.
PAD-US, OpenStreetMap (© OpenStreetMap contributors), Census 2025 Gazetteer and 2020 blocks; details in Sources below. How TownRatings grades the outdoors →
Conserved land, trails & bike routes
Tap a number to zoom to a park. Tap a layer to hide it.
218 conserved acres
6% of Blackhawk’s land. Who manages Blackhawk’s conserved land, from the USGS Protected Areas Database. Approximate, because parcels can overlap.
| Parcel (PAD-US) | Managed by | Acres | Public access |
|---|---|---|---|
| Mount Diablo State Park State Park | State parks | 218 | Open |
11 places to go in Blackhawk
Beaches, playgrounds, peaks, falls and more. Pick a kind.
10 playgrounds without a name on the map. Tap “Show all on map” to see them.
1 picnic area without a name on the map. Tap “Show all on map” to see it.
1 lakes & rivers
6.9 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.
The best walking months in Blackhawk: 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 | 11.8 | 13.1 | 14.2 | 14.8 | 14.5 | 13.6 | 12.4 | 11.1 | 10.1 | 9.6 |
| High (°F) | 55 | 58 | 63 | 67 | 73 | 81 | 86 | 86 | 83 | 75 | 63 | 55 |
| Rain (in) | 4.3 | 3.9 | 3.3 | 1.5 | 0.7 | 0.1 | 0.0 | 0.0 | 0.1 | 1.0 | 2.1 | 4.3 |
July is the driest month (under 0.1 in) and the warmest (highs of 86 °F). 4.3 inches fall in January, the wettest month. The climate in Blackhawk →
Blackhawk and its neighbors
Blackhawk has the second most mapped trails of the 4 towns around it. 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 |
|---|---|---|---|---|---|
| Blackhawk | 6% | 0.4 | 22 | 61% | B |
| Danville | 11% | 2.1 | 24 | 92% | A |
| Diablo | 2% | 0.8 | 17 | 35% | B− |
| Camino Tassajara | 13% | 0.5 | 2 | 99%+ | B+ |
The four inputs of the Outdoors grade, from the engine; shares are of land, not water.
Questions about parks and trails in Blackhawk
How much of Blackhawk is conserved land?
6% of its land, against a typical 4% for a California town and 4% nationally (PAD-US). Conserved doesn’t always mean open to visitors: easements are usually private land.
Where can I bike in Blackhawk?
6.9 miles of bike routes are on the map: 5.6 of painted or protected lanes, 1.1 of off-road paths and 0.2 of shoulders and shared lanes.
Is there public land near Blackhawk?
63,688 acres of parks and open public land lie inside Blackhawk or within 10 miles of it (PAD-US), 221 of them inside the town line.
How much outdoors does Blackhawk have?
Ahead of 65% of U.S. towns on the Outdoors grade, #401 of 847 in California. The grade combines the share of land that is conserved, miles of mapped trail per square mile of land, park acres per 1,000 residents and the share of residents within a half mile of a park. It’s a character grade, so it isn’t part of the overall grade. How it works.
Trail talk
Conditions, parking and favorite walks from Blackhawk 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 →