Olney, MD Mountain Biking Trails and Maps

1354 Reviews

Looking for the best Mountain Biking trails around Olney?

Find the top rated mountain biking trails in Olney, whether you're looking for an easy short mountain biking trail or a long mountain biking trail, you'll find what you're looking for. Click on a mountain biking trail below to find trail descriptions, trail maps, photos, and reviews.

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Length
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18 Results
Activities
Length
Surfaces
Type

Catonsville Short Line Trail

1.4 mi
State: MD
Dirt, Gravel

Chesapeake & Ohio Canal National Historical Park

184.2 mi
State: DC, MD
Brick, Concrete, Crushed Stone, Dirt

Cross Island Trail

9.13 mi
State: MD
Asphalt, Boardwalk

Great American Rail-Trail

3743.9 mi
State: DC, IA, ID, IL, IN, MD, MT, NE, OH, PA, WA, WV, WY
Asphalt, Concrete, Crushed Stone

Hanover Trolley Trail

7.5 mi
State: PA
Asphalt, Crushed Stone, Gravel

Lake Accotink Trail

4.5 mi
State: VA
Asphalt, Crushed Stone, Gravel

Lake Artemesia Trail

1.35 mi
State: MD
Asphalt

Lake Frank Trail

1.8 mi
State: MD
Asphalt

Mount Airy Rails to Trails

1 mi
State: MD
Asphalt, Boardwalk, Crushed Stone, Gravel

Northeast Branch Trail

3.5 mi
State: MD
Asphalt

Patuxent Branch Trail

4.35 mi
State: MD
Asphalt

Powerline Trail (MD)

6 mi
State: MD
Dirt, Grass

Fort Circle Park Hiker-Biker Trail

7 mi
State: DC
Dirt, Gravel

Gerry Connolly Cross County Trail

40 mi
State: VA
Asphalt, Ballast, Concrete, Crushed Stone, Dirt, Gravel

Savage Mill Trail

1.2 mi
State: MD
Asphalt, Dirt, Gravel

Stony Run Trail

2.9 mi
State: MD
Asphalt, Crushed Stone, Dirt, Grass, Gravel, Woodchips

John Overstreet Connector

1.5 mi
State: MD
Asphalt
Trail Image Trail Name States Length Surface Rating
The Catonsville Short Line Trail follows a segment of the former Catonsville Short Line Railroad, which ran from Charlestown to Catonsville. As of 2018, the trail runs between Shady Nook Avenue and...
MD 1.4 mi Dirt, Gravel
Following the Potomac River, the C&O Canal Towpath traverses the Chesapeake & Ohio Canal National Historical Park for 184.2 miles between Cumberland, Maryland, and the Georgetown neighborhood in...
DC, MD 184.2 mi Brick, Concrete, Crushed Stone, Dirt
Explore the best of the Eastern Shore of Maryland on Queen Anne’s County’s Cross Island Trail, which runs the width of Kent Island for 9.3 miles, stretching between two nature parks.   While the...
MD 9.13 mi Asphalt, Boardwalk
Note: This developing route is not yet fully contiguous – it is just over 50% complete. Please refer to the Trail Map for more information on the existing sections of trail, as well as the online...
DC, IA, ID, IL, IN, MD, MT, NE, OH, PA, WA, WV, WY 3743.9 mi Asphalt, Concrete, Crushed Stone
The Grist Mill Trail at Patapsco Valley State Park runs along the Patapsco River for 2.5 miles between Ilchester Road and Lost Lake. The heavily wooded paved trail passes by various historical sites...
MD 2.5 mi Asphalt
The Hanover Trolley Trail is currently 7.5 miles in two disconnected trail segments. The trail is being built along the 16-mile corridor of the York-Hanover Trolley Line that ran between the two...
PA 7.5 mi Asphalt, Crushed Stone, Gravel
In Northern Virginia’s suburban community of Springfield, Lake Accotink Park provides a wilderness escape amid the city surroundings. The 500-acre park features picnic areas, miniature golf, an...
VA 4.5 mi Asphalt, Crushed Stone, Gravel
The Lake Artemesia Trail—one component of the larger Anacostia Tributary Trail System—completely encircles its scenic eponymous lake in Prince George's County, Maryland for just over one...
MD 1.35 mi Asphalt
Lake Frank is a 54-acre reservoir located in the heart of Rock Creek Regional Park in Derwood, east of Rockville. The reservoir, together with Lake Needwood was created for flood control and was named...
MD 1.8 mi Asphalt
Mount Airy Rails to Trails (R2T) is currently 1 mile long split into two unconnected half-mile sections. Following a former railroad corridor, it will one day span nearly 4 miles across the Town of...
MD 1 mi Asphalt, Boardwalk, Crushed Stone, Gravel
The 3.5-mile Northeast Branch Trail forms one of many segments of the Anacostia Tributary Trail System in Prince George’s County. Connecting in the south with both the Anacostia River Trail into...
MD 3.5 mi Asphalt
Whether by wheel or foot, many off-road trips in southern Howard County involve the Patuxent Branch Trail. Opened in 1997, the 4.5-mile regional trail connects to an extensive network of local trails...
MD 4.35 mi Asphalt
This trail traces a hilly green swath located in a Pepco electric utility right-of-way that stretches between South Gernmantown Recreational Park and Muddy Branch Stream Valley Park. It's a natural...
MD 6 mi Dirt, Grass
Washington, D.C.'s Fort Circle Park Hiker-Biker Trail links some of the District's dozens of Civil War era forts (now national parks) that were built to defend the city from attack by the southern...
DC 7 mi Dirt, Gravel
The Gerry Connolly Cross County Trail is a multi-use trail that follows along the various stream valleys in Fairfax County, Virginia for 41.4 miles. It is officially named the Gerry Connolly Cross...
VA 40 mi Asphalt, Ballast, Concrete, Crushed Stone, Dirt, Gravel
Only a mile long, the Savage Mill Trail rolls through a significant piece of Howard County’s industrial heritage as it crosses the grounds of an old textile mill complex on the Little Patuxent River....
MD 1.2 mi Asphalt, Dirt, Gravel
Baltimore’s Stony Run Trail follows an old Maryland and Pennsylvania Railroad line through nearly 3 miles of wooded stream valleys and small parks, providing a quiet escape from the hustle and bustle...
MD 2.9 mi Asphalt, Crushed Stone, Dirt, Grass, Gravel, Woodchips
The John Overstreet Connector is a 1.5-mile trail segment that links the Baltimore & Annapolis Trail and BWI Trail. The short—but vital—trail is named after Overstreet, a retiree from Glen Burnie,...
MD 1.5 mi Asphalt

Recent Trail Reviews

Chesapeake & Ohio Canal National Historical Park

Overall a great trail

September, 2026 by apope930

Just completed the C&O Canal Towpath in September 2026, riding west from DC to Cumberland. Overall, this was an awesome trip and I’ll definitely be recommending it to others. I thought I was pretty well prepared, but there were a few things I learned along the way. I lost the trail in Georgetown thanks to a combination of detours and GPS error, so keep an eye out when you’re leaving DC. If you’re taking Amtrak, also expect that your train could be delayed by up to an hour or more. I was running 40s at 35 PSI, and I’d say the trail felt reasonably smooth about 75% of the time. The rest ranged from chunky and rough to exactly what you’d expect from an old canal towpath. One thing I absolutely wish I had packed was something for stings. Near the end of the trip, I had something chasing me and managed to get stung right in the neck. Definitely not how I pictured finishing the ride. Also, if you’re planning on stopping in Harpers Ferry, check the current construction situation before counting on it as a stop. Of all the towns I passed through, Brunswick was probably my favorite. It was clean, nice, and felt like a great place to stop and reset for a bit. One unexpected bonus: in three days, I never had to use a port-a-john. That alone deserves a five-star rating. Overall, I loved the trip. The scenery, history, towns, and feeling of being completely disconnected for a few days made it well worth doing. I’m already looking forward to doing it again!

Carl Henn Millennium Trail

not pretty but gets the job done

September, 2026 by kitramos94

I use this route for shorter runs but it’s definitely not my favorite. Lots of road crossing and a good chunk of the trail (between Gude+355 and Norbeck+355) is on a regular sidewalk next to heavy traffic in a commercial+industrial area. Definitely not a good route if you’re looking for a scenic trail. There’s a very small portion in a nice neighborhood that is wooded, but that’s the extent of the scenery, otherwise you’re getting cars and businesses. Also- depending on the time of day, the coverage from the sun is basically nonexistent. I had to stop using this running route during the summer because there’s nothing to stop the sun from beating down on you. Overall it gets the job done but it’s not my first choice by a long shot

Great American Rail-Trail

Lovely Ride!

September, 2026 by l_digby

We rode the GAP from Cedar Creek Park to the Boston trailhead at the base of the Historic Boston Bridge and back. About 36 miles round trip. What a great ride. Smooth trail with lots of benches and several picnic areas and toilet facilities. Well maintained. Passed through several little communities along the trail. No major highways and very few little roads to cross making it very safe. Got a delicious huge “medium” size ice cream cone at the “Big Twist” in Blythedale, right off the trail. Highly recommend this ride!

Accordion

WB&A Trail

Almost Everything You've Read is Wrong. LOL!

August, 2026 by ron731

I have been looking to ride this trail for a long time. My wife and I live about 40 miles west and come over to ride the nearby B&A several times a year. This trail, however, rarely gets reviewed and gets some negative comments, usually about road or bridge closures. I recently noticed several postings saying the trail was open, so we decided to try it, starting in Odenton and riding to Bowie.

Welp, it is nice and we will put it into our rotation, but there are several issues with it and the reviews are somewhat misleading.

First, parking. There isn't any parking at either terminus. Nothing in Odenton and while there is a shopping center at the Bowie end, it's across a major highway (Rt 450). We didn't need to cross since we parked in Odenton, so I can't comment on how easy/hard the Bowie situation is.

We wound up parking at the GORC (Gambrils-Odenton Recreation Center), as directed in the TrailLink app. Before we got there, we saw the northern most trailhead on Piney Orchard Pkwy. The trail runs along it for about 0.75 miles and then disappears. So, we continued on to the GORC and parked looking for signs directing you to the Trail or Trail Parking. We figured that the Trail must run through the Park. So, we looked for cars with bike racks indicating we were in the right place. Nada. So does it follow the road through the park or is it the path running along the road in front of the Park (Strawberry Lake Way) like it does along Piney Orchard? Who knows? We then saw somebody riding on the path in front of the park, so we decided to take that, thinking that was the Trail.

Well . . . that path was a shared multi-use path descending about 0.6 miles to the Trail. It was a difficult ride since the downward slope was about 3-6% and there were people walking their dogs, pushing strollers, meandering with their toddlers and intersections with subdivisions. Trying to keep the bike under control on a 5% downhill to avoid all of that was not easy and a little nerve-wracking. We should have ridden on the road, but we actually thought that was the bike path.

Once we got to the path, we weren't sure which way was Bowie and which was Odenton. My wife and I disagreed so we took her suggestion. :) She was correct, you take the left and soon come to a 2.5 milepost. We did not know if that was marking the distance from the Odenton Trail Head, or the River but we soon came to a 3.0 mile marker and decided we must be going toward the River.

Terrain. Many posts mention that it is a mostly flat trail. It isn't. I would estimate that less than 4.5 of the 13 miles is flat (<0.5% slope). The "flat" parts generally run from 0.5-2.0 slope. Nothing really hard, but my Strava app congratulated me for my longest uphill climb of 0.73 miles at 1.4%. It also contains a relatively steep section just north of the River in Anne Arundel County that seems to vary between 3-5%. Again, Strava congratulated me on my biggest climb of the year, 127 feet in about 0.6 miles. I should note that when we stopped on the flat portion next to the bridge before the uphill, a group of six riders -- relatively fit and in their 30s -- passed us and the leader said to the group, "Here we go!" So, this is a significant climb. But I never needed my granny gear, and we did it at around 10.4 mph.

Trail Markers. As I said there were some trail markers but in general the trail is poorly marked in many places. On the Odenton side, the trail is marked every 0.5 miles until it isn't -- at the 4.0 mile marker (maybe 3.5). That isn't too disconcerting except that sometimes the trail shares road with cars (there are signs) or intersects with side paths and it isn't always easy (especially at speed) to be sure you are going on the correct one. There is also mention that you need to take a spur to get to the bridge, but we never saw it and realized that the "spur" seems to be nothing more than the trail on the PG County side of the bridge, through a parking lot. You then veer right and up a small incline to continue on the trail.

The trail is nice, and I plan to do it again. Oh yeah, we recommend the Hideaway for after ride refreshment.


Carl Henn Millennium Trail

terrible

August, 2026 by 7v2fghznv7

I walked this trail after I moved here and I started out in the Fallsgrove park area which is beautiful. Too bad that after that, you permanently walk next to speeding traffic for the other 8.5 miles. I did get REALLY close to a deer which was kind of cool but scary

Ireland Drive Trail

Use Caution

August, 2026 by 6qgnhshmzc

This trail in not great for cycling. It is not well maintained, lots of ruts from tree roots breaking through the asphalt. Also, many dog owners let their dog off leash (violating the Montgomery County leash law), and do not have a view or control of their dog. It is very hazardous to cyclists, so use caution.

Cross Island Trail

Good trail - needs maintenance

August, 2026 by witchman040

This is a decent trail for the most part. Because of the tree roots and rough bridge boards I highly recommend a mountain bike or hybrid with shocks. The asphalt is pushed up in many (over 50) spots, some 3-4" or more. They do not grind the asphalt or paint them to warn riders. There is parking at several trail heads. The Terapin Nature trail head has clean restrooms. The trail is flat with many at grade crossing. Most are private driveways, but some are busy roads.

B&A Trail

Very Nice Ride

July, 2026 by jm5cjhdh4z

We rode this mostly shaded trail on a very hot day. Excellent ride with places to stop for additional water if needed. The terrain was not too hilly but there were several places where the trail intersects with traffic. Most drivers seemed used to the crossings and were very kind and courteous. Overall a great day out.

Matthew Henson Trail

Slick when wet but very beautiful

July, 2026 by elizabeth.scuderi

A friend of mine and I cycled from Rock Creek to this trail today. It was really nice and a big surprise to me considering I grew up nearby but moved out of the area 25 years ago. It’s a little hilly and the boardwalks are super slick if it’s rained, but they’re awfully pretty.

Woodrow Wilson Bridge Trail

This is one of my favorite trails in the area, it's safe and many of the walkers are friendly.

July, 2026 by lynnelee9125

This is one of my favorite trails in the area, it's safe and many of the walkers are friendly.

Broadneck Peninsula Trail

Broadneck Peninsula Trail

June, 2026 by jackkboy

The Broadneck Peninsula Trail now extends from Anne Arundel Community College to Sandy Point State Park Headquarters for a total of 7.5 miles or 15 miles round trip. Parking is available at Broadneck park parking lots and the Cape Saint Claire Park parking lot. Great ride!

Ireland Drive Trail

Nice Walking Trail, not great for cycling

June, 2026 by 6qgnhshmzc

The trail is a nice trail through the woods and connects to Rock Creek park.As others have mentioned, many people let their dog off leash and get annoyed when asked to leash their dogs. The trail is not good for cyclists as it is very rutted with many tree roots and easily flooded after heavy rains. The trail also has a very steep hill for most of it’s length.

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