- COORDINATES: 40.255614, -76.374944
- COUNTY: Lebanon
- DISTANCE TO NEXT: Lebanon - 8 Note that two markers here show Lebanon as the next town
- EXPLANATION OF NAME: Named For Cornwall England
- FOUNDED: 1742
- MANUFACTURER: No maker name noted on marker
- SHAPE: Standard 1-sided
- STATUS: 2010 photo showed marker painted black with silver text. It had been repainted blue/gold, but by 2020 badly needs redone.
March 2010 photo by J. Graham

Oct. 2020 photo by J. Graham
PA Route 72 near intersection of So. Mountain Lane