Lock 24: Rileys Lock
Lock 24: Rileys Lock is an attraction in Maryland, at a modelled elevation of 56 m. Short Hill Mountain stands 441 m to the northwest, 24 miles off. The nearest named place is Seneca Quarry, a historic site 0.2 miles away. Chesapeake and Ohio Canal Byway runs past it.
The story
dam in Montgomery County, Maryland, United States
Wikidata Q34863733, referenced by the OpenStreetMap record.
How to reach it
- On the Chesapeake and Ohio Canal Byway
- 4.7 mi off the Old Georgetown Pike
- 6.7 mi off the Antietam Campaign Byway
- 11.1 mi off the George Washington Memorial Parkway, National
Overlooks nearby
- Overlook rock, lower · 1 mi
- Overlook rock, high · 1 mi
- Washington Aqueduct Observation Platform · 7 mi
- Great Falls Overlook 1 · 7 mi
Named places within 25 miles
- Seneca Quarry: 0.2 mi
- The River of Blood: 0.6 mi
- Darnestown Confederate Visit: 3.5 mi
- The Cliff Bland Recreation Area: 3.6 mi
- Montgomery County Public Safety Memorial: 6.4 mi
- Bretton Woods Recreation Center: 0.6 mi
- Potomack Lakes Sportsplex: 2.3 mi
- Sugarland Run Trail Park: 2.5 mi
- Sugarland Run Trail Park: 2.6 mi
- Sugarland Run Trail Park: 2.9 mi
- Lock 23: Violettes Lock: 0.7 mi
- Lock 22: Pennyfield Lock: 3.0 mi
- Lock 21: Swains Lock: 5.8 mi
- Riverbend Park Nature Center: 5.8 mi
- Lock 20: 6.9 mi
- Berryville Road Neighborhood Conservation Area: 1.4 mi
- Algonkian Regional Park: 2.0 mi
- Fraser Preserve: 2.6 mi
- Sugarland Special Park: 3.4 mi
- River Road Shale Barrens Conservation Park: 5.5 mi
- Vermont Maple Garden: 3.9 mi
- Poolesville Community Garden: 6.8 mi
- Community Garden: 6.8 mi
- Schwartz Peony Garden: 7.4 mi
- The Farm at Halley Rise: 8.3 mi
- Nokes Hill: 4.6 mi
- Hunting Hill: 7.7 mi
- Black Hill: 8.5 mi
- Prospect Hill: 8.9 mi
- Stony Hill: 9.9 mi
- Negro Sunshine: 4.8 mi
- Horse and Rider (2015) by Charles Ray: 4.9 mi
- Compression Line (1968/2016) by Michael Heizer: 4.9 mi
- Smug (1973/2005) by Tony Smith: 5.0 mi
- Split Rocker (2000) by Jeff Koons: 5.0 mi
- Glenstone Museum: 4.9 mi
- Loudoun Heritage Farm Museum: 5.0 mi
- Mooseum: 6.0 mi
- Reston Museum: 6.9 mi
- Herndon Depot Museum: 7.2 mi
- Quail Ridge: 6.7 mi
- Smiths Switch Station: 7.0 mi
- Chickadee Picnic Area: 7.1 mi
- Pines Picnic Area: 7.2 mi
- Oriole Picnic Area: 7.3 mi
- Clean Drinking Manor Spring: 15.6 mi
- Kanawha Spring: 17.2 mi
- Silver Spring: 17.6 mi
- Sandy Spring: 17.9 mi
- Takoma Spring: 19.2 mi
- Great Falls: 6.8 mi
- Scott's Run Falls: 10.2 mi
- Stubblefield Falls: 10.4 mi
- Brambleton Sign/Water Decoration: 11.8 mi
- Coe Creek: 23.6 mi
- Sycamore Beach: 8.0 mi
- Purplehorse Beach: 8.1 mi
- Fishing Shore: 17.0 mi
- Lake Barcroft Beach: 18.5 mi
- Manassas Safety/Rest Area West: 19.7 mi
- Manassas Safety/Rest Area East: 19.8 mi
- Truck Rest Area: 22.0 mi
- Quartz Rock Outcropping: 17.0 mi
- Quartz Rock Outcropping: 17.0 mi
Summits around it
The highest named summits within 24.6 miles of Lock 24: Rileys Lock. Elevation from each summit’s own record; bearing measured between the two coordinates.
| Summit | Bearing | Elevation | Distance |
|---|---|---|---|
| Short Hill Mountain | NW 305° | 441 m | 24.0 mi |
| Signal Mountain | WSW 236° | 413 m | 23.4 mi |
| Sugarloaf Mountain | NNW 348° | 387 m | 13.7 mi |
| White Rock | WSW 237° | 387 m | 23.3 mi |
| Chestnut Peak | SW 236° | 374 m | 22.3 mi |
| Waterford Peak | WNW 303° | 361 m | 14.8 mi |
| Pine Rock | NNW 329° | 346 m | 19.8 mi |
| Griffin Mountain | WSW 240° | 295 m | 24.6 mi |
When to go
Light through the year
| Date | Sunrise | Golden hour | Sunset |
|---|---|---|---|
| March equinox | 07:14 | 18:46 | 19:21 |
| 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).
Climate normals
Months averaging 50–80 °F: Apr–Oct.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg °F | 33 | 36 | 43 | 55 | 64 | 73 | 77 | 76 | 69 | 57 | 46 | 37 |
| Precip in | 3.1 | 2.6 | 3.8 | 3.5 | 4.9 | 4.6 | 4.1 | 3.7 | 4.1 | 4.0 | 3.2 | 3.5 |
1991–2020 U.S. Climate Normals, NOAA NCEI — WFO Sterling, 10 mi away.
Where this comes from
Location and category confirmed against OpenStreetMap.
OpenStreetMapWikidataOpenStreetMap element way/487211585
Day trips start here
- Great Falls · 6 mi
- Sterling · 6 mi
- Herndon · 7 mi
- Ashburn · 8 mi
- Gaithersburg · 8 mi
- Potomac · 8 mi
Take the scenic way to Lock 24: Rileys Lock.
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