Merced County sits in the central San Joaquin Valley, but its communities are not arranged around a single compact urban area. Merced and Atwater form a strong reference point in the northeast, Livingston lies farther northwest, and Los Banos, Gustine, and Dos Palos occupy a separate group across the southwestern plain. The county overview places those communities beside Highway 99, State Route 140, State Route 152, Interstate 5, and other major roads. The terrain-and-water map adds the Merced River, San Joaquin River, Chowchilla River, Lake Yosemite, San Luis Reservoir, and Los Banos Reservoir. The WebP images in the article are quick previews; the download box near the end provides high-resolution JPG versions of all three supplied maps in one ZIP archive.
The three maps are most useful when read as complementary views of the same county. The road-and-place overview explains why the northeastern communities feel closely connected while the west-side cities sit farther apart. The city index removes smaller labels and makes the six principal cities easy to compare. The terrain-and-water map then shows a landscape crossed by several river systems, canals, reservoirs, and a noticeably rougher western edge. Together they show Merced County as more than a flat rectangle in the Central Valley.
Table of Contents
Merced, Atwater, and Livingston follow the Highway 99 side of the county
Merced is the easiest anchor on the overview map. Highway 99 passes the city on its north-south route, State Route 140 crosses the county through Merced, and State Route 59 runs north from the city. Atwater appears immediately to the northwest, while Livingston lies farther up the valley near Winton, Ballico, Delhi, and Hilmar-Irwin. This cluster of names makes the northeastern third of the county look busier than the broad west-side areas. It also helps explain why a road map of Merced County cannot be reduced to a single highway: several state routes meet or pass close to the county seat.
South of Merced, El Nido provides another useful reference point before the map opens toward the southern boundary. McSwain and Winton sit near the Merced-Atwater area, while smaller communities spread toward the northwest edge. The road symbols and place labels are intended for regional orientation rather than turn-by-turn navigation, current traffic, or construction status. If the goal is to plan an actual trip, the map works best as a geographic overview used alongside current highway and navigation information.

Merced County’s own community information identifies Merced as the county seat and largest of six incorporated cities: Merced, Atwater, Livingston, Los Banos, Gustine, and Dos Palos. The supplied overview goes beyond those incorporated cities by labeling places such as Santa Nella, Volta, Winton, McSwain, and El Nido. That extra detail is useful because the settlement pattern does not stop at municipal boundaries. The northeast contains a fairly close sequence of towns and communities, while the west and southwest have longer stretches of open land between the larger labels.
Los Banos, Gustine, and Dos Palos organize the west side around SR 152, SR 33, and I-5
The southwestern half of the county has a different road pattern. State Route 152 runs through Los Banos and continues across the county, State Route 33 passes north-south through the same general area, and Interstate 5 clips the western side. Gustine appears northwest of Los Banos, Santa Nella lies near the I-5 corridor, and Dos Palos sits southeast of Los Banos close to the southern county line. State Route 165 supplies another north-south link through this side of the valley. The arrangement makes Los Banos a practical map reference for the west side even though Merced remains the county seat.
The city map simplifies the county to six ranked city labels: Merced as 1, Los Banos as 2, Atwater as 3, Livingston as 4, Gustine as 5, and Dos Palos as 6. Population figures appear in the index as a visual aid, but a static map should not be treated as the definitive source for the latest population estimate. The important map-reading point is positional. Merced, Atwater, and Livingston occupy the northeastern side, while Los Banos, Gustine, and Dos Palos form a second group much farther southwest.

Unlike some city-connection maps, this one does not draw connector lines or print straight-line distances between the cities. It should therefore be used to compare relative positions rather than mileage or travel time. Merced and Atwater look close together, Los Banos is well to the southwest, and Gustine and Dos Palos occupy opposite sides of that west-side cluster. For a slide that only needs city distribution, this stripped-down view is clearer than the full road map. When actual routes matter, the county overview supplies the missing highways and secondary communities.
Three major rivers divide the valley: Merced in the north, San Joaquin through the middle, and Chowchilla in the south
The terrain-and-water map changes the emphasis from roads to drainage. The Merced River crosses the northern part of the county, the San Joaquin River runs through the central-western portion, and the Chowchilla River appears across the southeast. Bear Creek and Deadman Creek add smaller east-west channels near the Merced area. The density of blue lines makes clear that the agricultural plain is crossed by many more waterways and drainage features than the city map suggests.
Following the Merced River westward helps orient the northern drainage network, while the San Joaquin River provides a strong central reference. South of that system, the Chowchilla River approaches from the east and continues across the lower part of the county. Smaller channels branch through the plain, especially around the San Joaquin River corridor. These blue lines show general hydrographic location; they do not represent flood zones, levee condition, current streamflow, water quality, or seasonal safety. Those questions require current data from USGS and the responsible water or emergency agencies.

Lake Yosemite is labeled east of Merced and gives the urban side of the map an easy water reference. The southwest is much more reservoir-heavy: San Luis Reservoir, O’Neill Forebay, and Los Banos Reservoir appear in the same broad area, along with the Main Canal and several smaller named water bodies. Duck Pond, Duck Ponds, Flat Pond, and Big Water Lake show that the west-side hydrology includes more than the three major rivers. This concentration of water features is one of the strongest visual differences between the western edge and the open central valley.
Reservoir country in the west contrasts with the broad agricultural plain around Merced
Shaded relief on the terrain map becomes noticeably rougher around the western reservoir area, while the central and eastern parts of Merced County appear much smoother. Interstate 5 runs through this western side, and Los Banos and Santa Nella sit close enough to the reservoir zone to serve as convenient place references. The contrast is important because a simple city map can make the entire county look uniformly flat. The terrain view instead shows a wide valley floor meeting a more broken western margin.
The relief should be interpreted cautiously. It is designed to show the relative shape of hills, valleys, and flatter ground, not to provide precise elevation readings. The supplied package contains no dedicated elevation map, so exact heights or engineering-grade slopes should not be inferred from the shading. For surveying, construction, or other work that depends on measured elevation, a current elevation dataset such as the USGS 3D Elevation Program or a professional survey is the appropriate source.
A useful reading order is to begin with the county overview and find Merced, Los Banos, Highway 99, SR 152, and I-5. Next, use the city index to compare the six principal cities without the distraction of smaller labels. Finally, move to the terrain-and-water map to connect those settlements with the Merced, San Joaquin, and Chowchilla rivers and with the western reservoirs. That sequence makes the split between the northeastern city cluster, southwestern communities, central river plain, and western relief much easier to understand.
The high-resolution JPG files are better than the WebP previews when the map will be printed, placed on a large slide, or inserted into a document that needs a sharper image. The archive includes the county overview, the six-city index, and the terrain-and-water map. They are appropriate for general geographic reference, education, presentations, and regional orientation. They are not substitutes for parcel records, legal boundary surveys, current flood mapping, live navigation, or engineering plans; those uses require the latest information from the agency responsible for that subject.
Frequently Asked Questions
Why do Merced and Los Banos appear so far apart on the same county map?
Merced is in the northeastern part of the county near Highway 99 and State Route 140, while Los Banos is much farther southwest near State Routes 152 and 33. A broad agricultural plain and the San Joaquin River drainage lie between the two areas. Use current navigation for actual mileage and travel time because this page is designed to explain regional position rather than routing.
Do the numbers 1 through 6 on the city map represent distance from Merced?
No. They identify the ranked city index for Merced, Los Banos, Atwater, Livingston, Gustine, and Dos Palos. This particular city map does not show connector lines or straight-line distance labels, so the numbers should not be interpreted as mileage.
Can I see San Luis Reservoir and the Merced River on the same map?
Yes. The terrain-and-water map places San Luis Reservoir, O’Neill Forebay, and Los Banos Reservoir in the southwest while also labeling the Merced River in the north, the San Joaquin River through the central-western area, and the Chowchilla River in the southeast. It is the best of the three supplied maps for comparing the county’s major water features.
Map File Information
The ZIP archive contains high-resolution JPG versions of the Merced County overview map, six-city index map, and terrain-and-water map.
- Included Files: 3 JPG maps
Related Maps
Sources and reference links
- Merced County – Living in Merced County: official county background describing the San Joaquin Valley setting and the six incorporated cities.
- Merced County GIS Services & Mapping: the county’s public GIS and location-data resource page.
- U.S. Census Bureau TIGER/Line Shapefiles: official geographic boundary and road data resources.
- USGS National Hydrography: national reference information for rivers, streams, lakes, and other mapped water features.
- USGS 3D Elevation Program: authoritative elevation data for work that requires measured terrain heights rather than generalized shaded relief.
Green Map creates custom-edited map images using open geographic data sources such as geoBoundaries, Natural Earth, OpenStreetMap, and government open data.
These maps are edited visual materials, not raw data files, and are provided for education, documents, presentations, and graphic reference.





