Task Difficulty: 3.0 Out of 5.0
Terrain Difficulty: 3.0 Out of 5.0
Statystyka skrzynki
RR Knutz: Dahlgren - OU039A

 Discover the Dahlgren Railroad Heritage Trail!

Hidden by  Cachew Knutz

N 38° 20.152' W 77° 08.030' (WGS84)

 Coordinates in Other Systems
 Location: United States > Virginia
 Cache Type: Traditional
 Size: Small
 Status: Ready for Search
 Time: 1:40 h   Distance to Travel: 2.80 mi
 Date Hidden: 03 January 2012
 Date Created: 18 January 2012
 Last Modified: 09 May 2012
 Waypoint: OU039A
 Also Listed On:


{{found}} 6 x Found
{{not_found}} 5 x Did Not Find
{{comment}} 3 Comments
0 Notes
0 Watchers
3599 Visitors
4 x Rated
Rated as: Good
{{recomendation}} 1 Recommendation
GeoKrety History

Available Maps: Opencaching,Google Maps

Cache Attributes

Ticks Available in Winter 

Please see the attributes article for more information.

Description   EN   

Discover the Dahlgren Railroad Heritage Trail! And find one of
the geocaches in the Railroad Knutz series while you are there!!

The naval proving grounds near Washington, D.C., at Indian Head, Maryland, was suffering from encroachment of local development around the time of World War I and so the U.S. Navy established a "Lower Site" downriver on the Virginia side of the Potomac River between Mathias Point and Upper Machodoc Creek. Shortly after its establishment the naval base and surrounding area were both named in honor of the Civil War era admiral John Dahlgren, known as the father of naval ordnance. This area was very rural and gave the navy plenty of room for its activities, but the remoteness and lack of development of the area also made it difficult to move men and material back and forth. During the run up to World War II this problem became critical and so the U.S. government began construction of the Dahlgren Railroad, a branch line from the Richmond, Fredericksburg and Potomac line near Fredericksburg to the naval proving grounds at Dahlgren. Land was acquired in 1938, construction began in 1941 and operations commenced in 1942.

In the 1960s, no longer making use of the railroad, the U.S. government sold the road to the RF&P which began operating it for the benefit of industrial and other commercial interests established along the branch line. Today, CSX which acquired the RF&P operates the line with its only significant traffic being coal delivered to a power plant and refuse delivered to a landfill, both in Sealston. Since the the portion of the line east of Sealston was no longer in use, CSX offered to sell that portion, and it was purchased by a local resident who has worked to open the trail as a public greenway.

Because of some local opposition, the trail is not yet freely open to the public and explicit permission is needed to use the trail. Fortunately, Dave Jones, president of the Friends of the Dahlgren Railroad Heritage Trail has graciously invited all geocachers to search the trail as his guest; he only asks that you be sure to let others, especially local and state government officials, know about how enjoyable the trail is and what an asset to the area it would be for it to become a public trail.

There are just a few trailheads along this 16 mile trail; the one most convenient for finding the cache is on Indiantown Road. It is a hike of about 2.8 miles from there eastward to where the trail passes under Caledon Road and where you will find the cache. Please, don't try to access the cache directly from Caledon Road since there is no legal parking there and the trail embankment is dangerously high and steep.  Trust us, the exercise will do you good and this is a beautiful trail through wetlands teeming with interesting flora and fauna.

This cache is part of the Railroad Knutz series by the Cachew Knutz. For information about the series and the fabulous golden spike for the first to find the whole series, please check out the ultimate cache in the series, RR Knutz: The Golden Spike.

There are several other caches hidden on this middle section of the Dahlgren Railroad Heritage Trail, including Dahlgren Heritage Rails to Trails Cache which is right at the Indiantown Road trailhead.  Also, there are over a dozen other caches hidden on the western section of the trail.

Additional Hints   Decrypt

ebyy evtug evcenc naq crre gb cbfg va lbhe sbhaq pbyhza



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Log Entries    {{found}} 6x {{not_found}} 5x {{comment}} 3x     Show All Log Entries   New Log Entry

1 08 March 2017 Indy-bikes Found it

Doing some research and realized that this cache was not logged on this site. I wanted to log it here as well as on my GSAK database. I don't like blanks in the find column. I am sooo excited by this cache! I did find it the wrong way, but I pulled off the highway in a safe place. Then I found a trail that went gently down to the RR bed. I took out a few webs on the way down though. I immediately found the water cache. Took me a while to figure out what that was! I looked up and down on that side. I had spotty cell service and so had issues loading the cache page on C:geo. (android free app) I did finally get the past pictures and that let me to exactly where I needed to go. Now the reason I am so excited. I noticed some two wheeled tracks. I will investigate the possibility of following suite. Thanks for the cache and I will certainly look into the website and register to be a friend of the trail!

3 27 April 2012 DudleyGrunt Comment

Spending my three banked "Recommendations".

1 31 March 2012 cycleangela Found it

Went out with Dudleygrunt to work on some of the OCNA and terracaches in the area.


After finally deciding on where to park for this one, we stumbled our way down the hill. It took a bit of searching, but finally found it.


I look forward to doing some more of the caches. Thanks!

1 31 March 2012 Recommendation DudleyGrunt Found it

3184 / 76. Headed out with cycleangela today to hunt the SoMD CAMs, along with some TerraCaching and OpenCaching NA caches. This was our 6th cache and the first, after crossing over into Virginia and first OCNA cache of the day. We used an alternative parking location and made our way to GZ, where we looked high and low for the cache. With a little help from the CO (he basically just gave us the clue, that we were missing), we finally made the find. Then we were off to meet up with the Cachew Knutz family about 15 miles east at their VA Belle cache. Thanks and Happy Trails!

1 05 February 2012 ton9819 Found it

Found it after Some help from G.O Cash(Thanks it was appreciated!)

I Do not know how i missed it last time,But it is Well Hidden once you know What side to look!