Lancaster County occupies a broad section of southeastern Pennsylvania where the city of Lancaster anchors a dense road network, the Susquehanna River defines much of the western edge, and higher ridges rise toward the north and east. U.S. 30 and U.S. 222 meet near Lancaster, PA 283 reaches Mount Joy and Elizabethtown, and smaller routes connect Lititz, Ephrata, Columbia, New Holland, Millersville, and Quarryville. The four original A3 high-resolution JPG maps are available in the download box below.
The county is easiest to understand as a relatively low central landscape bordered by a major river and several higher ridge areas. Conestoga River crosses the Lancaster area and drains toward the Susquehanna, while Pequea Creek, Big Beaver Creek, and Conowingo Creek divide the southern countryside. The supplied elevation map ranges from about 33 to 358 meters, with a mean near 140 meters, making the central lowlands and northern-eastern high ground easy to compare.
Table of Contents
Lancaster anchors the U.S. 30 and U.S. 222 road network
Lancaster is the best starting point on the general reference map. U.S. 30 runs east to west across the central county, U.S. 222 provides a major north-south route, and PA 283 connects the Lancaster area with Mount Joy and Elizabethtown to the northwest. The city’s central position makes it a practical reference for nearly every other part of the county.
Columbia lies west of Lancaster directly beside the Susquehanna River. U.S. 30 crosses the river toward York County, while PA 283 stays farther north and serves the Mount Joy–Elizabethtown corridor. The river valley is lower than much of the surrounding countryside and forms a much clearer county edge than an ordinary administrative line.
North of Lancaster, Manheim, Lititz, Akron, Ephrata, Denver, and Adamstown form a chain of towns across rolling terrain. U.S. 222 is especially important on the Ephrata side, while PA 897 serves the northeastern edge. South of Lancaster, Millersville and Quarryville provide useful references for a more rural road network.

Lancaster ranks first, followed by Ephrata, Elizabethtown, and Columbia
The ranked community graphic highlights Lancaster, Ephrata, Elizabethtown, Columbia, Lititz, and Millersville. The printed values are Lancaster 57,719, Ephrata 13,772, and Elizabethtown 11,925. Columbia follows at 10,782, Lititz at 9,619, and Millersville at 8,982. These figures are the ranking values used on the supplied map and should not be treated as the newest official population estimates.
Lancaster dominates the center of the map, with Millersville immediately to the southwest. Ephrata and Lititz occupy the northern side, Elizabethtown sits farther northwest near the PA 283 corridor, and Columbia lies against the Susquehanna River on the west.
Other important places appear on the general map but not in the ranked six, including Mount Joy, Manheim, Akron, New Holland, Denver, Adamstown, and Quarryville. Reading the community and general maps together gives a more complete view of settlement across the county.

The Susquehanna River and Conestoga River provide the strongest water references
The Susquehanna River is the dominant water feature along the western and southwestern edge of the terrain-and-water map. It is especially broad around Columbia and then continues south through a narrower, more rugged river corridor. For orientation, the river is the simplest feature to use when locating the western county boundary.
Conestoga River crosses the central county near Lancaster and continues toward the Susquehanna. Pequea Creek drains the south-central countryside, while Big Beaver Creek and Conowingo Creek occupy southeastern valleys. Puddle Duck Creek and Little Conowingo Creek add smaller drainage corridors near the southern edge.
Northern water features include Santo Domingo Creek, Segloch Run, Spring Lake, Blue Lake, and Indian Lake. New Holland Reservoir provides a useful eastern landmark, while Grubb Lake sits in the hills east of the Susquehanna River. These smaller water bodies help distinguish the county’s rural subregions.
This terrain-and-water map is intended for geographic reference. It does not establish flood zones, navigation conditions, water depth, water quality, reservoir operations, or parcel drainage, so those questions require current information from the appropriate agencies.

Elevation ranges from about 33 to 358 meters
The supplied elevation map reports an actual range of roughly 33 to 358 meters and a mean near 140 meters. The lowest green terrain follows the Susquehanna River and covers much of the central Lancaster lowland. Higher yellow and brown terrain becomes more prominent toward the northern boundary and the eastern side.
The Lancaster–Millersville–Columbia area is generally lower and broader than the ridge country farther north and east. Tributaries still cut shallow valleys through the central landscape, but the terrain does not form the tightly repeated high ridges seen in many central Pennsylvania mountain counties.
Around Ephrata, Denver, Adamstown, and the eastern county line, higher hills become more visible. Southern Lancaster County also contains localized ridges among the lower rural valleys, so the Quarryville side is not uniformly flat.
This elevation surface is intended for county-wide comparison rather than survey-grade measurement. Parcel, construction, drainage, bridge, or engineering work requires authoritative source elevation data or professional surveying.

Lancaster County was created in 1729 and became an early inland county
Lancaster County’s official history states that the county was formed on May 10, 1729 from part of Chester County. It was the first new county created beyond Pennsylvania’s original three counties of Bucks, Chester, and Philadelphia.
The county government’s current overview describes Lancaster County as a south-central Pennsylvania county along the Susquehanna River with deep agricultural roots. That description fits the map set, where a broad central lowland, many rural roads, and numerous small communities surround the city of Lancaster.
Lancaster also has a long administrative history. The county’s official history notes that the city served as Pennsylvania’s state capital from 1799 to 1812. Today the county seat remains the central road and service hub on the map.
Susquehannock State Park shows the rugged side of the southern river corridor
Pennsylvania DCNR describes Susquehannock State Park as a 224-acre wooded plateau overlooking the Susquehanna River in southern Lancaster County. Together with Urey Overlook and Pinnacle Overlook, the park complex provides nearly 450 acres of public access along the lower river.
This landscape differs sharply from the broad lowlands around Lancaster. The elevation map shows local high ground rising close to the Susquehanna in the southern county, while the water map shows the river narrowing into a more confined corridor.
The park is a useful reminder that Lancaster County is not entirely level farmland and city neighborhoods. The southern Susquehanna side combines steep river slopes, wooded uplands, and views across a much more rugged section of the county.
Ephrata, Lititz, and Manheim mark the transition toward northern hills
North of Lancaster, Lititz and Manheim sit close to the central road network, while Akron and Ephrata lie farther east. The elevation map shows a gradual change from the broad Lancaster lowland toward higher terrain near the northern boundary.
Ephrata is the second-ranked community on the supplied map at 13,772, while Lititz is fifth at 9,619. Rural roads and small streams fill the land between them, and U.S. 222 provides one of the strongest links from Lancaster into the northeastern county.
Denver and Adamstown lie still farther northeast near the Berks County side. Comparing the general and elevation maps makes the transition from central lowlands to more pronounced hills and ridges easy to see.
Columbia and the Susquehanna River define the western riverfront
Columbia sits directly on the eastern bank of the Susquehanna River and ranks fourth on the supplied community map with a printed value of 10,782. U.S. 30 crosses the river here toward York County, giving Columbia an especially clear relationship to the county boundary.
The elevation map places much of this riverfront among the county’s lowest terrain. Short hills rise east of the river, however, so the western side is not simply a flat floodplain. Grubb Lake and several small tributaries provide additional reference points on the transition toward the interior.
Using Columbia and the Susquehanna together is the easiest way to understand western Lancaster County. The river shapes the boundary, transportation crossings, and local relief in a way that is much more obvious than most county lines.
New Holland and Quarryville represent the more rural eastern and southern county
New Holland is an important eastern settlement north of U.S. 30. New Holland Reservoir provides a nearby water landmark, and the elevation map shows more pronounced higher ground toward the eastern county line.
Quarryville anchors the southern part of the county. U.S. 222 extends south from Lancaster, while Pequea Creek, Big Beaver Creek, Conowingo Creek, and smaller tributaries divide the countryside into a series of shallow valleys.
These areas contain fewer large urban centers than the Lancaster core. Local roads, farms, creeks, and small hills become more important for orientation, making the general, water, and elevation maps especially useful when viewed together.
Choose the map according to whether you need roads, water, or relief
The general reference map is the quickest choice for communities and highways. It places Lancaster, Columbia, Millersville, Lititz, Ephrata, New Holland, Mount Joy, Elizabethtown, Quarryville, U.S. 30, U.S. 222, PA 283, and PA 897 in one view. The ranked community map is cleaner when the goal is simply to compare the larger population centers.
The terrain-and-water map is more useful for the Susquehanna River, Conestoga River, Pequea Creek, Big Beaver Creek, Conowingo Creek, and New Holland Reservoir. The elevation map removes many labels and makes the central lowlands and higher northern and eastern terrain especially easy to compare.
For printed handouts, classroom use, regional reference notes, or presentation slides, the A3 high-resolution JPG files in the download archive will remain sharper than enlarged web previews. Pairing the general and elevation maps works well for roads and terrain, while the water map explains how the Susquehanna boundary and internal drainage organize the county.
Frequently Asked Questions
What is the best place to start when locating areas in Lancaster County?
Lancaster is the easiest central reference because U.S. 30 and U.S. 222 pass nearby. Columbia is west on the Susquehanna River, Lititz and Ephrata are north, Mount Joy and Elizabethtown are northwest, and Millersville and Quarryville are to the south.
Why is the western Lancaster County boundary easier to recognize than many county lines?
Much of the western and southwestern edge follows the Susquehanna River. Around Columbia the river is especially broad, and the elevation map also shows the river corridor as some of the county’s lowest terrain.
Are the Lancaster 57,719 and Ephrata 13,772 values current official population estimates?
Not necessarily. They are the ranking values printed on the supplied community map. Elizabethtown, Columbia, Lititz, and Millersville should be treated the same way; current official population figures should come from the latest U.S. Census Bureau releases.
Map File Information
The download ZIP contains four A3 high-resolution JPG files: the Lancaster County general reference map, ranked community map, terrain-and-water map, and elevation map. The original files are larger than the web previews and are better suited to printing, classroom handouts, regional reference work, and presentation slides.
- Included Files: Use only the versions confirmed in the article and supplied images
- File Type: Use the confirmed download contents
- Intended Use: Printing, education, presentations, and map-based projects
Related Maps
Sources and References
- Lancaster County official history: county formation in 1729 and Lancaster’s early administrative history.
- Lancaster County official overview: county location along the Susquehanna River and agricultural background.
- Pennsylvania DCNR – Susquehannock State Park: official information on the southern Lancaster County plateau and Susquehanna River overlooks.
- U.S. Census Bureau TIGER/Line Shapefiles: county boundaries and transportation geography.
- USGS National Hydrography: rivers, streams, lakes, and reservoir data.
- USGS 3D Elevation Program: elevation data and 3DEP documentation.
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.





