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Castle Hill California Map

Explore Castle Hill, California, with this interactive street and satellite map.

This page also offers TOPO MAPS — the official USGS topographic sheets — plus USGS aerial imagery, a labelled USNG grid overlay, a distance and bearing tool, and a GPS grid-reference readout. See How to Use This Map below.

Interactive Map of Castle Hill, California

How to Use This Castle Hill, California Map

This interactive map shows the street layout and satellite imagery for Castle Hill, California. Use the Map and Satellite buttons above to switch between street map and aerial imagery views. Use the + and − buttons to zoom in or out, or scroll your mouse wheel while holding the Control key to zoom. On a touchscreen, use a two-finger pinch gesture. Drag the map to pan to any area of California or beyond.

Click ⛶ Fullscreen to expand the map to fill your screen. To return to the normal page view, press the Escape key, click the ✕ Exit Fullscreen button that appears above the map, or on a mobile device tap the back button (Android) or the close icon (iOS).

TOPO MAPS — NEW. Click the green 🔍 Search Maps button below the map to open a second map with a Base map row offering three choices. OSM is the standard OpenStreetMap street map. Topo shows the official USGS topographic maps from The National Map — contours, hydrography, land cover and shaded relief, the same mapping used for hiking, hunting and back-country navigation in the Adirondacks, the Catskills and the Finger Lakes. Imagery shows USGS aerial photography, mostly 1-metre NAIP. The search box finds any US town, county or landmark by name, so you are not limited to Castle Hill.

Reading the map like a paper quad. Click Grid to overlay the U.S. National Grid (USNG), labelled along the edges exactly as a printed topographic sheet is — at normal zoom the squares are one kilometre across, so you can read a six-figure grid reference by eye and judge distance directly off the map. Click Measure, then tap two points, to get the distance between them together with the grid bearing in degrees and mils, the true bearing, and the magnetic bearing to set on a compass.

Click 📍 My position to take a single GPS reading from your device. It marks where you are and reports your position as a USNG grid reference as well as plain latitude and longitude — USNG being the format FEMA and US search and rescue teams work from — with a Copy position button so you can paste it straight into a text message. It takes one reading and stops, rather than tracking continuously, to conserve your battery. Note that map tiles need cell coverage, but a GPS reading does not — your coordinates stay correct even where the map itself cannot load.

City	Castle Hill
State	California (CA)
County	Contra Costa County
Country	United States of America
Timezone	Pacific Time (America/Los_Angeles)

Latitude	37.8747
Longitude	-122.0585
Population	1,271
Density	838.9 /km²
Incorporated	N/A
ZIP Code	94595
Area Code	510
County Seat	Martinez
School District	Acalanes Union High School District

🌦 Goto Castle Hill Weather Page: Castle Hill, California — Weather Warnings, Forecast, Radar, Satellite & Current Conditions

About Castle Hill, California

Castle Hill is a locality in Contra Costa County, California, United States. It has a population of approximately 1,271. The population density is 838.9 people per km². Castle Hill is located at 37.8747°N, 122.0585°W. It observes the Pacific Time (America/Los_Angeles) timezone. ZIP code: 94595.

Castle Hill emerges from the golden, tinder-dry slopes of the landscape, defined by the persistent, rhythmic passage of Tice Creek as it winds through the parched earth. It lies 2.2 miles south of Walnut Creek, CA (from Walnut Creek, CA: bearing 171°T), and is situated 7.3 miles south-southwest of Concord. The atmosphere here carries a heavy, Mediterranean weight, where the light at dusk bleeds a bruised violet across the horizon, casting long, skeletal shadows from the scattered oaks that define the local savanna. Though the Pacific Ocean lies eleven miles away, its presence is felt in the cool, saline fog that drifts inland, dampening the heat of the afternoon and draping the terrain in a muted, silver shroud. To the west, the distant, hazy silhouettes of the Coast Ranges anchor the skyline, while the immediate proximity of Old Oak Park provides a quiet, verdant refuge where the silence is broken only by the rustle of grass and the occasional call of a hawk circling the basin.

Tice Valley cradles the lower reaches of Castle Hill, lending a sheltered character to the neighborhood that has long dictated the flow of local commerce and settlement. The economy, once rooted in the quiet labor of the land, has matured alongside the nearby Leland Reservoir, which serves as a vital, shimmering anchor for the surrounding geography. Life in Castle Hill moves with the deliberate pace of a place mindful of the fault lines shifting deep beneath its foundation, fostering a culture of resilience and groundedness. Residents find a singular beauty in the way the morning mist clings to the water’s edge, a brief, ethereal interlude before the sun burns the landscape back into its characteristic amber hues. This intersection of inland heat and coastal influence creates a distinct, temperate rhythm, marking every commute and afternoon walk with the subtle, enduring texture of the California terrain.

Nearby Outdoor Places

Old Oak Park (Local Park) — 0.5 mi, 288° W
Tice Valley Park (Local Park) — 0.6 mi, 276° W
Sugarloaf Recreation Area (Local Recreation) — 0.7 mi, 083° E
Briones/Las Trampas Trail - land bank (Local Resource Management Area) — 1.6 mi, 287° W
Shell Ridge Open Space (Local Recreation) — 1.8 mi, 020° N
J.M. James House (Monument) — 2.1 mi, 138° SE
Alamo Grammer School (Monument) — 2.2 mi, 140° SE
Las Trampas Wilderness Regional Preserve (Local Conservation Area) — 2.2 mi, 183° S
Stone Valley (Monument) — 2.2 mi, 139° SE
Painted Rock (Conservation Area) — 3.3 mi, 256° W
Puzzle Pieces (Public Artwork) — 3.3 mi, 291° W
Walnut Creek Model Railroad Society (Museum) — 3.4 mi, 346° N
Mount Diablo State Park (State Park) — 3.8 mi, 097° E
Labyrinth (Attraction) — 6.5 mi, 326° NW
Alhambra Creek Valley Staging Area (Attraction) — 6.7 mi, 328° NW
Sentinel Rock (Viewpoint) — 6.8 mi, 103° E
Concord Historical Museum (Museum) — 7.0 mi, 010° N
Water tank (Historic Ruins) — 7.6 mi, 232° SW
Ask Jeeves Planetarium (Museum) — 7.7 mi, 240° SW
Tien MegaDome Theater (Cinema) — 7.7 mi, 240° SW
US Army helicopter (Attraction) — 7.7 mi, 001° N
Chabot Space and Science Center (Museum) — 7.7 mi, 240° SW
Donner Cabin (Historic Ruins) — 7.8 mi, 071° E
Clayton Historical Society Museum (Museum) — 8.2 mi, 056° NE
Blackhawk Gallery (Gallery) — 9.2 mi, 124° SE
Aron Art Center (Arts Centre) — 9.2 mi, 227° SW
Don Edwards San Francisco Bay National Wildlife Refuge (National Wildlife Refuge) — 15.4 mi, 197° S · 81k acres
Golden Gate National Recreation Area (National Recreation Area) — 19.8 mi, 260° W · 113k acres
San Pablo Bay National Wildlife Refuge (National Wildlife Refuge) — 20.9 mi, 322° NW · 43k acres
California Coastal National Monument (National Monument) — 24.2 mi, 256° W · 8,946 acres

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