Seneca Quarry
historic site
historical Seneca red sandstone quarry in Montgomery County, Maryland, United States
Dates from 1785.
Wikidata Q7450328, referenced by the OpenStreetMap record.
- On the Chesapeake and Ohio Canal Byway
- 4.8 mi off the Old Georgetown Pike
- 6.5 mi off the Antietam Campaign Byway
- 11.3 mi off the George Washington Memorial ParkwayNational
Overlooks nearby
- Overlook rock, lower · 1 mi
- Overlook rock, high · 1 mi
- Washington Aqueduct Observation Platform · 7 mi
- Great Falls Overlook 1 · 7 mi
| Date | Sunrise | Golden hour | Sunset |
|---|---|---|---|
| March equinox | 07:14 | 18:46 | 19:22 |
| June solstice | 05:44 | 19:59 | 20:39 |
| September equinox | 06:58 | 18:33 | 19:08 |
| December solstice | 07:26 | 16:09 | 16:51 |
Local time (America/New_York).
39.07009, -77.34399
Elevation 62 m (modelled from terrain)