Venango County sits in northwestern Pennsylvania, but its map is easiest to understand through the river valleys rather than the county outline alone. Franklin, the county seat, and Oil City form the strongest pair of urban anchors along the Allegheny River. Franklin occupies the confluence area where French Creek reaches the Allegheny, while Oil City lies farther east where Oil Creek enters the same river. Sugarcreek and Polk sit to the west of this central corridor, Pleasantville stands well to the northeast, and Emlenton marks a much more distant southern position near the county edge.
The four maps on this page show those relationships through roads and places, settlement distribution, terrain and water, and elevation. The larger 3638×2572-pixel JPG originals are also bundled in one downloadable ZIP for printing, close inspection, or offline reference. A useful first pass is to locate Franklin, Oil City, the Allegheny River, and PA 8; French Creek, Oil Creek, the I-80 area, and the higher surrounding hills then make much more sense.
Table of Contents
Franklin and Oil City form the county’s busiest road-and-river corridor
The general county map is most detailed through the middle of Venango County. Franklin sits at a junction of routes arriving from the west, north, and south, while Oil City lies to the east along a corridor strongly organized by PA 8. Between them, the Allegheny River bends rather than following a straight line, and the road network bends with it. That pattern matters because two locations that appear close on a flat map may still require travel around river curves, hillsides, and the limited number of bridge crossings.
West of Franklin, US 322 provides one of the clearest routes toward the county boundary, while PA 62 serves the southwest. The northwest shows PA 27, PA 427, and PA 428 around Cooperstown and the surrounding rural area. North of Oil City, PA 8 is a prominent north-south route, and roads such as PA 227, PA 36, and PA 157 connect eastern and northeastern valleys. The result is not a regular grid. Routes repeatedly branch, curve, and rejoin because they must work through a landscape cut by streams and ridges.
The southern edge has a different transportation role. Clintonville, Barkeyville, and Emlenton lie near I-80 and roads including PA 208, PA 308, and PA 38. This corridor is separated from the Franklin–Oil City center and gives the county a second, more long-distance travel axis near its southern border. Emlenton is especially isolated in the southeast, while Barkeyville sits toward the southwest. Pleasantville is similarly detached in the northeast, showing that Venango County’s communities are distributed across several corridors rather than concentrated in one compact urban area.
The county boundary also has several steps and irregular projections, especially on the western and southeastern sides. Roads and waterways cross those edges at different points, so the boundary is useful when tracing a trip into neighboring counties. The map should be treated as a regional reference rather than a parcel or legal-boundary product. For property lines, surveying, or recorded legal descriptions, a county parcel system or other authoritative land record is required.
The settlement map separates the central three from Pleasantville, Emlenton, and Polk
The settlement map reduces most road labels and highlights six places: Oil City, Franklin, Sugarcreek, Pleasantville, Emlenton, and Polk. Its index lists Oil City at 9,468, Franklin at 5,984, Sugarcreek at 4,716, Pleasantville at 759, Emlenton at 663, and Polk at 615. The numbers are useful for scale, but the spacing tells the stronger geographic story. The three largest highlighted places occupy the central and west-central part of the county, while Pleasantville, Emlenton, and Polk sit on distinct outer edges of that cluster.
Franklin and Oil City are particularly important because their locations correspond to major confluences. Franklin is associated with the lower French Creek valley where it meets the Allegheny River. Oil City is tied to the mouth of Oil Creek. Sugarcreek lies close enough to Franklin and the west-central road network to read as part of the same broader central area. Settlement therefore follows the lower valleys and their route connections rather than being spread evenly across the county’s uplands.
Pleasantville and Emlenton show the opposite pattern. Pleasantville lies in the northeast, separated from Oil City by several stream valleys and higher ridges. Emlenton is close to the southern county line where the Allegheny River continues out of Venango County. Polk sits west of Franklin and remains connected to the central area, yet it is visibly offset from the Franklin–Oil City pair. These differences matter when estimating how a trip will work, because straight spacing between labels does not include the effect of terrain, river crossings, or the actual route network.
For a presentation, classroom project, or quick regional overview, this simplified map makes the settlement pattern easier to explain than the full road view. It is not a navigation map, however. Once the relative location of a place is clear, the general county map should be used to restore highway context, and current travel should be checked with an up-to-date transportation or navigation source. The value of this view is its ability to show which communities belong to the central cluster and which ones occupy separate county corridors.
French Creek and Oil Creek meet the Allegheny from different directions
The terrain-and-water map is dominated by the Allegheny River, which enters the southern part of Venango County and winds through broad bends toward Franklin and Oil City. It is the county’s clearest continuous lowland feature. Small tributaries descend from both sides, and the shaded relief shows how quickly the ground rises away from the river. Comparing this view with the road map explains why the central transportation network hugs the river corridor and why crossings are concentrated at a limited number of practical locations.
At Franklin, French Creek arrives from the northwest and joins the Allegheny. Its valley provides a major opening through the west-central and northwestern terrain. Sugar Creek, Little Sugar Creek, and Prather Creek add a dense branching network farther west and north. Rather than a broad, flat plain, this part of the county consists of multiple valleys separated by rounded uplands. That structure is easy to miss on a road-only map because the orange route lines draw attention away from the smaller drainage channels.
Oil Creek approaches Oil City from the north. Its name also carries unusual historical importance. Pennsylvania DCNR describes Oil Creek State Park as a landscape that interprets the early petroleum industry and notes the deep hollows and steep hillsides of the Oil Creek valley. The park boundary itself should not be inferred from this county map, but the official description provides useful context for the strong north-south valley visible above Oil City. The waterway is both a geographic corridor and a defining part of the region’s history.
Other named waters show that the drainage system is not limited to those two tributaries. Pithole Creek is prominent in the east, while Sandy Creek and East Sandy Creek cross the southern interior. Scrubgrass Creek appears in the southwest. Two Mile Run Reservoir and Polk Dam Lake provide smaller, localized water features among the hills. Together, these names show a landscape in which many short valleys ultimately connect to larger streams and the Allegheny River system.
This is a water-reference map, not a flood-hazard, boating-access, fishing-regulation, or real-time river-stage map. A blue shoreline does not indicate public access, and a named stream does not imply that every segment is navigable. The most appropriate use here is to compare the direction of the main rivers and tributaries, identify confluences near Franklin and Oil City, and understand why roads and settlements concentrate in specific valleys.
An actual 264–531 meter range turns the river corridors into narrow lowlands between higher hills
The elevation legend reports an actual county range of about 264 to 531 meters and a mean of 426 meters. Green tones mark lower ground and the tan-to-brown colors represent higher terrain. The first feature to follow is not a single high ridge but the branching green network of valleys. The Allegheny River forms the largest low corridor, while French Creek and Oil Creek extend that lowland pattern northwest and north from the central part of the county.
This relief view gives the Franklin–Oil City corridor a physical explanation. Both cities occupy lower terrain along the Allegheny, but each also sits near a tributary valley that opens a different route into the surrounding uplands. The French Creek valley branches northwest from Franklin, while the Oil Creek valley runs north from Oil City. On the road map those connections appear primarily as route choices; on the elevation map they become passages cut through higher ground.
Higher terrain is widespread in the north, east, and southwest, yet it is not a smooth plateau. Numerous short tributaries cut fingers of lower ground into the hills, producing a deeply dissected surface. Roads therefore change direction often, and two nearby settlements may be separated by several small ridges. The I-80 corridor along the south is a major transportation route, but the surrounding land is still uneven. A high-speed highway crossing the county does not mean the southern landscape is broadly flat.
The elevation surface is generalized for county-scale comparison and should not be used as survey-grade measurement. It cannot provide the exact height of a house, parcel corner, bridge deck, road cut, or trail point. For precise values, the USGS 3D Elevation Program or another authoritative elevation source is more appropriate. On this page, the map is best used to understand the roughly 267-meter total range and the repeated contrast between low stream valleys and higher uplands.
Reading the four views together explains why Venango County has several separate travel corridors
The central Franklin–Oil City area is a good example of why one map is not enough. The general county map shows a dense road connection between the two cities. The water view reveals that both sit on the same Allegheny River corridor, and the elevation map confirms that the river occupies a lower passage through surrounding hills. Read together, the maps show that the location of roads and settlements is closely related to the shape of the valleys rather than to an abstract straight-line connection.
North of Oil City, PA 8 and Oil Creek provide another useful pairing. They lead in a similar overall direction, while the elevation map shows higher ground rising on both sides. Pleasantville, however, lies farther east and should not be treated as if it were simply another point on the Oil Creek corridor. Its road connections have to cross or follow different drainage lines. That distinction becomes much clearer when the settlement and water views are compared rather than viewed separately.
West and south of Franklin, different combinations matter. US 322 and the Sugarcreek–Polk area are easier to understand when paired with French Creek and the western tributaries. For Emlenton, Clintonville, and Barkeyville, the I-80 area and southern state routes provide the stronger road frame, after which the Allegheny River and relief map help explain the local terrain. Switching views according to the question is more useful than expecting a single map to show roads, water, settlements, and relief equally well.
For printing, the road and settlement maps are the easiest choices when place names and route numbers are the priority. The terrain-and-water and elevation versions benefit from color and shaded relief, so they are clearer on screen or in a good color print. The downloadable JPG originals preserve more detail than the embedded previews, especially at larger sizes. All four remain regional reference maps rather than substitutes for legal boundary records, engineering plans, flood determinations, survey products, or live turn-by-turn navigation.
Frequently Asked Questions
Why do Franklin and Oil City appear so strongly connected on the maps?
Both cities sit along the Allegheny River, but each also occupies a major tributary junction. French Creek reaches the river at Franklin, while Oil Creek enters at Oil City. PA 8 and other roads use the same lower valley system, so the central part of the county contains a dense overlap of water, roads, and settlements. Reading the river and road maps together explains the connection better than straight-line distance alone.
Which map is best for finding the highest and lowest parts of Venango County?
Use the elevation map. Its legend reports an actual range of about 264 to 531 meters and a mean of 426 meters. The lowest green corridors follow the Allegheny River and major tributary valleys, while higher tan and brown terrain occupies the surrounding uplands. For an exact elevation at a property, road, or trail point, consult detailed USGS elevation data rather than this generalized county surface.
Do Oil Creek and French Creek enter the Allegheny River from the same direction?
No. French Creek approaches Franklin from the northwest, while Oil Creek descends toward Oil City from the north. Their different orientations help create two distinct tributary corridors feeding the same main river. This is one reason Franklin and Oil City each act as important local junctions even though they are part of the same broader Allegheny River valley.
Sources and reference information
- Venango County official information – county overview and Franklin county-seat context
- Pennsylvania DCNR Oil Creek State Park – official context for the Oil Creek valley and petroleum history
- U.S. Census Bureau TIGER/Line – county boundary and road reference data
- USGS National Hydrography – river, stream, and water reference data
- USGS 3D Elevation Program – elevation and terrain reference data
Map File Information
The ZIP file contains four high-resolution JPG originals for Venango County: the county map, settlement map, terrain-and-water map, and elevation map.
- 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
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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.
