Indiana County lies in western Pennsylvania, where the borough of Indiana anchors the central road network and lower river valleys occupy the southwest. U.S. 119 runs north to south through the county-seat area, U.S. 422 crosses east to west, and smaller state routes reach Marion Center, Clymer, Blairsville, Saltsburg, Cherry Tree, and other communities. Yellow Creek Lake, Two Lick Creek Reservoir, Crooked Creek, and the Conemaugh–Kiskiminetas river corridor provide the strongest water references. The four original A3 high-resolution JPG maps are available in the download box below.
The county is defined less by one broad plain than by repeated hills and stream valleys. Terrain is generally lower toward Blairsville and Saltsburg in the southwest, while the east and northeast contain more extensive high ground. The supplied elevation map ranges from about 249 to 656 meters, with a mean near 436 meters. That west-to-east contrast helps explain the road pattern, settlement distribution, and drainage shown across the map set.
Table of Contents
Indiana is the main road junction in the center of the county
Indiana is the best starting point on the general reference map. U.S. 119 passes north and south close to the borough, while U.S. 422 provides the main east-west route. PA 286 and PA 56 add connections toward the western and southwestern parts of the county.
Southbound U.S. 119 reaches Homer City and continues toward Blairsville, where the road system approaches U.S. 22 and the Conemaugh River valley. This corridor contains some of the county’s more continuous settlement because roads, towns, and lower terrain follow the same general direction.
East of Indiana, U.S. 422 crosses rolling and increasingly higher terrain toward the Clymer side. PA 403 and PA 553 serve the southeastern and eastern interior, while PA 85, PA 210, and PA 954 connect northern communities such as Smicksburg and Marion Center. The road network becomes more winding where stream valleys and short ridges are closely spaced.
Indiana ranks first, with Blairsville and Homer City forming the next largest centers
The ranked community graphic highlights Indiana, Blairsville, Homer City, Clymer, Saltsburg, and Marion Center. The printed values are Indiana 14,212, Blairsville 3,215, and Homer City 1,778. Clymer follows at 1,106, Saltsburg at 738, and Marion Center at 436. These are the ranking values used on the supplied map and should not be treated as substitutes for the newest official population estimates.
Indiana is the dominant central community and county seat. Blairsville occupies a much lower southwestern setting near the Conemaugh River, while Homer City lies between Indiana and Blairsville along the U.S. 119 corridor. Their relative positions show how the county’s larger settlements follow different terrain zones.
Clymer and Marion Center serve smaller eastern and northern areas, while Saltsburg occupies the far southwestern river side. Smicksburg, Cherry Tree, Armagh, and several other places appear on the general map but not in the ranked six, so the community graphic is best used together with the full reference map.
Yellow Creek Lake and Crooked Creek organize much of the central and eastern drainage
Yellow Creek Lake is the most prominent inland water body in the southeastern half of the terrain-and-water map. Little Yellow Creek and Brush Creek connect with the same drainage area, while Two Lick Creek Reservoir provides another useful water landmark closer to the county center.
Pennsylvania DCNR describes Yellow Creek State Park as a 2,981-acre park in Indiana County with a 720-acre lake. The park lies along PA 422 between Indiana and Ebensburg, and both Yellow Creek and Little Yellow Creek flow into the lake. That location makes the lake a strong reference for the higher eastern side of the county.
Farther north, Crooked Creek follows a long interior valley and South Branch Plum Creek drains the northwestern hills. Canoe Creek and Straight Run Lake appear in the north, Pioneer Lake in the east, and Musser Forests Lake is labeled west of Crooked Creek.
The southwestern boundary is defined much more strongly by major rivers. Kiskiminetas River and Conemaugh River occupy the low edge of the county, while Blacklegs Creek and Aultman Run descend toward those valleys. The terrain-and-water map is intended for geographic reference rather than flood-zone determination, navigation, depth measurement, or water-quality decisions.
Elevation ranges from about 249 to 656 meters
The supplied elevation map reports an actual range of roughly 249 to 656 meters and a mean near 436 meters. The lowest green terrain appears around Blairsville, Saltsburg, the Conemaugh River, and the Kiskiminetas River. Higher yellow and brown terrain becomes much more extensive toward the east and northeast.
The Indiana area occupies a middle elevation zone of rolling hills and narrow stream valleys rather than a broad flat surface. U.S. 119 and U.S. 422 therefore cross a series of modest ridges and drainage corridors even near the central population area.
Higher relief becomes more pronounced around Clymer, Cherry Tree, the northeastern boundary, and the southeastern hills near Armagh. Short, deeply cut tributary valleys break up the higher ground. The resulting pattern is a broad west-to-east rise with many local variations.
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.
Indiana Borough combines county government, education, and transportation
Pennsylvania’s official county reference material records Indiana County as having been created in 1803, with Indiana later established as the county seat. The modern general map still shows the borough in a central position where major roads and surrounding communities converge.
Indiana County’s official government website centers county services at the courthouse in Indiana. The borough is also home to Indiana University of Pennsylvania, reinforcing its role as a larger service and education center than the surrounding small boroughs.
The physical setting matters as much as the administrative role. Indiana is surrounded almost immediately by rolling hills and small drainage valleys, so its road connections follow a mix of low corridors rather than spreading across a wide level plain.
Blairsville and Saltsburg sit in the county’s lowest river country
Blairsville lies south of Indiana along U.S. 119 and close to U.S. 22. Conemaugh River follows the southern edge nearby, creating a lower landscape that contrasts sharply with eastern Indiana County.
Saltsburg lies farther west beside the Kiskiminetas River side. The county boundary bends with the river, and the elevation map places this area among the lowest terrain in the county. Although Saltsburg is much smaller than Indiana, its river position makes it a strong geographic reference.
Blacklegs Creek and several smaller tributaries descend through the southwestern hills toward these major rivers. Comparing the water and elevation maps shows how upland drainage converges on the low Conemaugh–Kiskiminetas corridor.
Yellow Creek State Park gives the eastern hills a large lake reference
Pennsylvania DCNR identifies Yellow Creek State Park as a major recreation and natural area in Indiana County. The 720-acre Yellow Creek Lake sits within the 2,981-acre park and receives water from Yellow Creek and Little Yellow Creek.
The park’s position along PA 422 places it directly within the east-west corridor between Indiana and the Cambria County side. On the elevation map, this area is higher and more rugged than the Blairsville–Saltsburg lowlands, with wooded hills surrounding the lake.
DCNR also notes the historic Kittanning Path association of the area. Today the lake is the strongest visual landmark, but the park location also helps explain why PA 422 remains such an important route through the eastern county.
Northern and eastern communities occupy separate hill corridors
Marion Center and Smicksburg provide useful northern references. PA 85, PA 210, and PA 954 connect this part of the county with Indiana, but settlements are more widely spaced than along U.S. 119. Rolling and locally higher terrain fills much of the area between them.
Clymer sits east of Indiana and is the fourth-ranked place on the supplied community graphic. Cherry Tree lies farther east near PA 240, while Glen Campbell occupies the northeastern side. These places are surrounded by higher ground and numerous short tributaries.
The combination of higher relief and many small valleys helps explain why the eastern and northeastern road network is more dispersed. The general and elevation maps together show a clear change from the central Indiana area into increasingly rugged hill country.
The county’s strongest contrast runs from the southwest rivers to the eastern uplands
Indiana County changes noticeably from west and southwest to east. Saltsburg and Blairsville occupy low river valleys, Indiana sits in rolling middle elevations, and Clymer, Cherry Tree, and the northeastern edge are surrounded by much higher ground.
Drainage follows the same contrast. Conemaugh River and Kiskiminetas River collect water along the low southwestern edge, while Crooked Creek, Yellow Creek, Little Yellow Creek, and numerous smaller tributaries begin or pass through the higher interior.
That physical pattern divides the county into several settlement corridors rather than one continuous urban belt. Indiana, Homer City, and Blairsville connect along U.S. 119; Clymer and Cherry Tree belong to the eastern hills; and Marion Center and Smicksburg provide separate northern anchors.
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 Indiana, Homer City, Blairsville, Saltsburg, Clymer, Marion Center, U.S. 119, U.S. 422, PA 286, PA 56, PA 403, and PA 240 in one view. The ranked community map is cleaner when the goal is simply to compare the larger settlements.
The terrain-and-water map is more useful for Yellow Creek Lake, Two Lick Creek Reservoir, Crooked Creek, South Branch Plum Creek, Conemaugh River, and Kiskiminetas River. The elevation map removes many labels and makes the low southwestern river country and high eastern hills 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 relief, while the water map explains how interior streams drain toward the county’s lower river corridors.
Frequently Asked Questions
What is the best place to start when locating areas in Indiana County?
Indiana is the easiest central reference because U.S. 119 and U.S. 422 pass nearby. Homer City and Blairsville lie to the south, Marion Center is north, and Clymer is east in higher hill country.
Why are Blairsville and Saltsburg lower than much of eastern Indiana County?
They sit close to the Conemaugh and Kiskiminetas river valleys, which form some of the county’s lowest terrain. The eastern side contains broader areas of high, dissected upland, so the elevation map becomes progressively more yellow and brown toward Clymer, Cherry Tree, and the northeastern boundary.
Is the Indiana value of 14,212 on the community map a current official population estimate?
Not necessarily. It is the ranking value printed on the supplied community graphic. Blairsville 3,215, Homer City 1,778, and the other printed values 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 Indiana 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
- Indiana County Government: official county government and current local information.
- The Pennsylvania Manual: county formation and Indiana Borough historical reference.
- Pennsylvania DCNR – Yellow Creek State Park: official information on Yellow Creek Lake, park size, and eastern Indiana County setting.
- U.S. Census Bureau TIGER/Line Shapefiles: county boundary 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.
