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The C&O Canal Towpath Trail and Great Allegheny Passage

Downsville MD on the C&O Canal Trail

Mile marker 87.5
Elevation: 364
Point of Interest
Point of Interest
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C&O Canal Trail
Great Allegheny Passage
Western Maryland Rail Trail
Dam #4

Downsville General Store
8638 Downsville Pike, Downsville
McMahons Mill
7900 Avis Mill Rd, Downsville
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Forum Discussions about Downsville

StonerFarmsPeople from Downsville on 03/26/2019 11:44 AM:
McMahon's Mill owner is now elderly and is not really able to keep up the campgrounds. IF there us big demand, perhaps others can take this over or we can make spaces on other land along the towpath. Do stop and enjoy the old red mill building and notice the water mill race and related waterworks. The cliffs are also interesting with small cave entrances. Heading south you'll be on the new paved sections, and travelling north/west you'll travel through the low section and up through Potomac Fish & Game Club where you're sure to find friendly people.

Rest Rooms at Falling Waters Campground
Darel from Norfolk, VA on 12/29/2013 05:38 AM:
This is not listed but around mile post 91, between Opequon Junction and Cumberland Valley campsites, there is a private camp ground (listed as the Potomac Fish and Game Club) near the Falling Waters ford. There is a rest room and potable water there. Be courteous and ask first. I have never been refused. Sometimes there are BBQ’s on the weekends and you can buy a meal from them.

Do NOT camp at McMahon's Mill Campground
Nellie540 from Virginia on 07/08/2013 07:15 PM:
I'm writing to plead that you take the McMahon's Mill Campground OFF your website C & O Canal Towpath camping options.

First off, let me say that my family loves and appreciates your web page and the vast amount of information you provide. We print out the information and use it while we bike on the towpath. My family of 5 (13 year old daughter, 10 year old daughter, 2 year old son, husband, and myself) have been traveling from Virginia for 15 months now to bike the C & O. We come for the weekend, tow all our camping gear and food, spend the night on the towpath, and bike as far as we can each trip. It has taken us over a year, but this past weekend we officially finished biking the entire towpath!

We have never been disappointed with the information your website provides, which is why I'm writing to share our experience, in the hopes that you will please update your information for the sake of other biker-campers. Let me first explain that my family is not afraid to "rough it". Up until this trip, we have always camped at the hiker-biker campsites right along the towpath. Filtering our own water and using the provided outhouses. We do this with a teenage daughter, preteen daughter, and a toddler and we like it and have a wonderful time.

This past weekend, we wanted to stay at the Cumberland Valley H/B site, but the pump was broken. We needed more water, so we tried to filter water from the Potomac, but the access to the river at that site wasn't great, so we decided to keep biking. We reached the Opequon Junction H/B with the intentions of camping there, but there were already 3 tents set up and it is a rather small site, so our large tent wouldn't fit. We were exhausted and couldn't make it to Big Woods H/B, so we decided to do something we'd never done. We biked off the towpath up to a campsite, McMahon's Mill Campground.

It was scary from the moment we hit the property. The buildings were dilapidated, deserted, overgrow

mark on 10/11/2013 07:34 PM:
also heard from biker in hancock how bad the place was he went on to williamsport

Darel from Norfolk, VA on 12/29/2013 05:28 AM:
Cruised by just to check this place out. Yea, it’s a real dump. Sad that it has been neglected for so long. Looks like it was once a nice place to stay and enjoy.

Swagman from LaGrange, GA on 01/14/2013 09:18 AM:
With the completion of the repairs of the tow path near Dam #4, hiker-bikers will no longer have to brave the detour towards Downsville, MD. It would be safer to just keep going until Williamsport.