Lassen County stretches across northeastern California, where a small urban center, long highway corridors, interior lakes, and rugged uplands share the same large county boundary. Susanville is the practical starting point for reading the area, but the map quickly opens north toward Eagle Lake and southeast toward the Honey Lake basin. This page provides a general county map, a city map, and a terrain-and-water map, and the same maps are available below as A3 high-resolution JPG files in a downloadable ZIP. If you arrived mainly to get printable map files, you can preview each view first and then use the Download Map Files button near the end of the article.
The general map puts county boundaries, highways, and named communities on one page. The city view strips away most of that detail so Susanville’s position stands out, while the terrain-and-water map brings Susan River, Eagle Lake, Honey Lake, reservoirs, creeks, and relief into focus. Moving between these views makes the uneven distribution of roads, settlement, lakes, and uplands much easier to understand.
Table of Contents
Roads spread outward from Susanville across a very large county
The general county map places Susanville near the main concentration of roads and communities. State Route 36 reaches the city from the west, State Route 44 approaches from the northwest, and US 395 passes along the east side before continuing southeast. State Route 139 runs north through the interior, while State Route 299 appears near the far northwestern edge. These routes show why Susanville works well as an orientation point even though it is not near the geometric center of the county.
The settlement pattern follows those corridors. Johnstonville and Litchfield are close to Susanville, Janesville and Milford sit farther southeast, and Doyle appears much farther down the US 395 corridor. Westwood is west of Susanville along the SR 36 side of the county. Around Eagle Lake, the map labels smaller places such as Spaulding and Stones Landing. The northern part of the county is much more lightly labeled, which makes the contrast between the south-central population center and the large rural interior immediately visible.
The outline of the county is also useful for orientation. Its southern boundary makes a long series of stepped turns, and the southeastern section narrows toward the US 395 corridor. Those bends help separate places that can otherwise seem close when viewed without a county line. The small California locator inset confirms the county’s position in the northeastern part of the state. This is a reference map rather than a survey or parcel product, so exact legal boundaries should be checked against the appropriate official source.
Eagle Lake and Honey Lake sit in very different settings
Two large water features stand out, but they occupy different parts of the landscape. Eagle Lake is north of Susanville and is surrounded by broken upland terrain. Communities and local roads appear around the lake, but the area does not have the same dense road junctions found around Susanville. The U.S. Geological Survey describes Eagle Lake as being about 16 miles north of Susanville and identifies it as one of California’s largest natural freshwater lakes contained entirely within the state.
Honey Lake lies southeast of Susanville in a much broader basin. The general map connects that area to the US 395 corridor and to communities such as Janesville and Milford, while the terrain-and-water map shows Susan River approaching the basin from the west. The difference is useful: Eagle Lake appears as a large upland lake, whereas Honey Lake sits within a wide, lower basin tied more directly to the Susanville–US 395 side of the county.
Honey Lake can vary in visible extent with hydrologic conditions, so the shoreline shown on a general reference map should not be treated as a current water-level measurement. The maps on this page are intended to explain relative location and terrain. Anyone who needs current lake conditions, flood information, or regulated water boundaries should use the latest data from the responsible agency.
The city map makes Susanville’s role easy to see
Lassen County’s city-distribution map is deliberately simple. It highlights Susanville as the principal city and leaves the rest of the county comparatively open. That matches the county government’s description of Susanville as the county seat and its only incorporated city. The view is useful because it prevents the many smaller place names on the general map from hiding the basic settlement structure: one main city serves as the county’s primary urban reference point.
This does not mean the rest of Lassen County lacks communities. Westwood, Janesville, Milford, Doyle, Litchfield, and settlements near Eagle Lake still matter when you are following roads or planning a route. The general map is better for those local names; the city map is better for seeing the county’s urban hierarchy without extra detail. Using both prevents a common mistake—treating every labeled community as if it had the same administrative status or population role.
The city map also should not be used to estimate driving distance. Lassen County is large, and mountains, lakes, and limited road crossings can make a route much longer than a straight line suggests. For travel planning, use this map to understand where Susanville lies, then check a current route and road conditions separately. Caltrans District 2 is especially useful when weather or seasonal conditions may affect highways in northeastern California.
Susan River ties the Susanville area to the Honey Lake basin
The terrain-and-water map changes the emphasis from transportation to drainage and relief. Susan River is one of the clearest named features. It passes through the Susanville area and continues toward the Honey Lake basin, linking higher ground west of the city with the broader lowland to the southeast. The USGS maintains a monitoring location on Susan River at Susanville, giving the river a useful real-world reference point beyond what is visible on the map.
Several other waters help divide the county into recognizable areas. Piute Creek appears near the Eagle Lake side of the map, while Willow Creek, Butte Creek, and Dry Creek are labeled farther north. Mc Coy Flat Reservoir is west of Susanville, the Pit River appears along the western side, and smaller lakes such as Moon Lake and Horse Lake are visible in the north and northeast. Lake Almanor appears just outside the western county edge and provides another familiar geographic reference.
Relief shading makes the contrast between basin and upland especially clear. The Honey Lake area appears broad and comparatively open, while the land west and southwest of Susanville and many outer parts of the county show stronger ridges and valleys. Eagle Lake also sits among uplands rather than in a flat agricultural plain. This helps explain why roads and settlements do not form an even grid: the easiest corridors tend to follow lower terrain and basin margins.
The water map is not a flood map, navigation chart, or legal water-boundary document. It does not show current depth, water rights, safe boating routes, or present flood probability. Its value is geographic: it lets a reader compare the position of lakes and streams with the shape of the terrain. That is enough for general orientation, classroom reference, trip planning at a broad scale, or explaining where major natural features lie.
Comparing the maps reveals how roads, settlements, and basins fit together
A useful way to read Lassen County is to start at Susanville and follow the same direction across more than one map. On the general map, US 395 leads southeast past Janesville and Milford toward Doyle. On the terrain-and-water map, that broad direction is associated with the Honey Lake basin and Susan River. On the city map, Susanville remains the dominant urban reference point. The result is a much clearer picture than any single crowded map could provide.
The northern half works the same way. The general map shows long road corridors through a large area with fewer labeled communities. The terrain-and-water map adds Eagle Lake and many streams, and the city map shows that there is no second incorporated city of comparable rank in that northern expanse. Together, the views explain why Lassen County can feel both geographically large and administratively centered on one relatively small part of the county.
For boundary, highway, and community-name questions, the general map is the most complete starting point. The city map is simpler when you only need to place Susanville within the county, while lakes, rivers, reservoirs, and relief are clearest on the terrain-and-water map. For printing or inserting a map into a document or presentation, the high-resolution JPG files in the ZIP preserve more detail than the smaller WebP previews used on the page.
Frequently Asked Questions
Which map is best for locating Susanville and Eagle Lake in the same view?
Start with the general county map. It shows Susanville, the main highways, Eagle Lake, and nearby communities together, so their relative positions are easy to compare. If you also need the creeks and terrain around Eagle Lake, follow with the terrain-and-water map.
Where can I see Susan River in relation to Honey Lake?
The terrain-and-water map is the clearest choice. Susan River is labeled through the Susanville area and continues toward the Honey Lake basin, with nearby creeks and relief shown at the same time. Use it for geographic orientation rather than for a current shoreline, flood boundary, or water-level reading.
What files are included in the downloadable ZIP?
The ZIP contains three A3 high-resolution JPG files: the general Lassen County map, the city map, and the terrain-and-water map. The archive name includes both Lassen County and California, which helps keep it separate from similarly named county files. The WebP images on the page are optimized for previewing; the JPG files are better suited to printing and larger document layouts.
Which map is best for locating Susanville and Eagle Lake together?
Begin with the general county map because it shows Susanville, the main highways, Eagle Lake, and nearby communities in one view. It is the easiest way to understand their relative positions. If you also want to see the surrounding terrain and the creeks associated with the Eagle Lake area, compare it with the terrain-and-water map. The two views answer different parts of the same question without crowding every detail into a single image.
Where can I see the relationship between Susan River and Honey Lake?
The terrain-and-water map is the clearest choice. Susan River is labeled as it passes through the Susanville area and continues toward the Honey Lake basin, with other creeks and reservoirs shown nearby. Because Honey Lake can vary in visible extent, the map should be used for geographic orientation rather than for determining a current shoreline, flood boundary, or water condition.
What is included in the downloadable ZIP file?
The ZIP contains the original high-resolution JPG versions of the three maps displayed in the article: the general Lassen County map, the city-distribution map, and the terrain-and-water map. The archive name includes both Lassen County and California. The JPG files are intended for convenient printing and reuse in documents, while the smaller WebP images in the article are optimized for on-page viewing.
Map File Information
The ZIP contains A3 high-resolution JPG versions of the general county map, city map, and terrain-and-water map shown on this page.
- Included Files: 3 JPG maps
Related Maps
Sources and References
Administrative context and county information can be checked on the official Lassen County website. Current highway context is available from the Caltrans District 2 road-camera page, which includes locations on important Lassen County routes.
Water and lake references were cross-checked with the USGS Eagle Lake page and the USGS Susan River at Susanville monitoring site. Official U.S. county boundary data can be found through the U.S. Census Bureau TIGER/Line program.
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.
