- COORDINATES: 40.467634, -75.156858
- COUNTY: Bucks
- DISTANCE TO NEXT: Riegelsville - 10
- EXPLANATION OF NAME: Formerly Red Hill renamed for Ott Family
- FOUNDED: 1766
- MANUFACTURER: Undetermined
- SHAPE: Standard 1-sided
- STATUS: Marker disappeared between 2013 and 2016.
![June 2011 photo by JGl](http://keystonemarkertrust.org/wp-content/uploads/town-ottsville-riegelsville-1-224x300.jpg)
June 2011 photo by JGl
![March 2012 photo by Jack Graham](http://keystonemarkertrust.org/wp-content/uploads/town-ottsville-riegelsville-2-285x190.jpg)
March 2012 photo by Jack Graham
![](http://keystonemarkertrust.org/wp-content/uploads/ottsville-reigelsville-clipPD-285x231.jpg)
Clip from 2013 PennDot RoadView. 2016 RoadView showed marker gone.
![](http://keystonemarkertrust.org/wp-content/uploads/town-ottsville-riegelsville-0223lsorensen-225x300.jpg)
Date unknown photo from L. Sorensen
Durham Road at Tohickon Valley Road