So this is the park I've been hearing about! When you hear Maryland State Park, I think most people think about Seneca Creek in Gaithersburg, which is massive and requires entry to get in. On weekdays, it's $3/vehicle, and on weekends is $3/per person inside the vehicle. It's interesting because there's no person accepting cash or payment... it's a self-pay kiosk, something I've never seen at a park, let alone a state park! The sign is visible along 301, but it's not the most noticeable one. I feel like Seneca Creek is way more known. It wasn't much of a surprise, but my gosh was it empty when we drove in! I was there on a Sunday afternoon and saw maybe 5 other people besides my family and myself. We packed some food and ate it at one of the two pavilions where we parked. It was just... so quaint and there wasn't a cloud in the sky! There was also a building with bathrooms and a cool playground. After eating, we decided to walk part of a trail and just take in nature. It was.... so delightful. This park is perfect for a local nature getaway where there won't be a lot of people. There are some days when entry is free, but I'm unsure of the schedule. read more

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Please do better with portable toilets. I get that the park does not want to winterize the bathrooms and keep them locked during the winter but they need to have the portable bathrooms serviced regularly. They filled up early in the winter and have remained unusable for months. Now the trail heads are littered with feces and toilet paper. read more

Rosaryville State Park - Portable bathroom at trail heads while regular bathrooms are closed. - Hiking Near Me - Upper Marlboro, Maryland

I've lived just 5 miles from Rosaryville State Park for a few years now - finally made time for a visit last Saturday and I'm glad I did. This is a large State Park tucked neatly off of 301 South between Upper Marlboro and Clinton. The sign for the turn off 301 isn't that large - so keep your eyes peeled as you're looking for it. The park has hiking, biking, and horse trails, picnic areas, pavilions, and camp grounds. I saw online that there is a $3 per car fee to enter, though there was seemingly no attendant at the front gate for the transaction - unsure if my trip in was supposed to be free, but that day it was. Midday on a 60 degree Saturday there were approximately 15-20 cars in the main parking area - a good number of people were out walking around or ending their hikes but it still felt open and spacious enough to enjoy. I was there for a hike - there were 3-4 main trails ranging in length from 3mi to almost 10mi. I was up for a challenge and took on the 10 mile loop, the 'Perimeter Trail'. This trail is not extremely difficult but definitely not for the faint of heart. Some portions of it are very hilly and there are lots of turns and bends which can make the 10 miles feel very long. Throughout my hike I came across other hikers, bikers, and horse riders - everyone was friendly and warm. Though I was alone out there on the trail, I felt safe and secure - I knew there were other folks on the trail but I was never too close to one group for a sustained distance. The trail was maintained well and was very well marked for the most part. It was pretty easy to stay on the right path - the mile markers to keep track of the journey was great. I ended up finishing the 10 miles in about 3 hours of walking and MAN did I feel the burn afterwards and the pain in my feet. Overall, a great afternoon of nature and exercise at Rosaryville - glad I finally prioritized a visit. Looking forward to returning. read more

Heading south on 301 to find Rosaryville can be a challenge. You cannot even see the brown park sign, as a tree limb is blocking a bit of the sign, so you really need to pay attention where to even find the park. Once in the entrance, it can be confusing, and you need to fork right where the white arrow is through a little wooded trail to head to the paygate. If you head straight which is one way your behind will be back on 301 and would need to U-turn and go back. This is not state park worthy; there are regular parks such as Allen Pond Park in Bowie, Bladensburg Waterfront Park in Bladensburg, Lake Artemesia in Berwyn Heights, Sligo Creek Park in Silver Spring that are all free and not state parks and are better with more amenities. Rosaryville is lame without amenities and is just a big open space of nothing, and I was not impressed. One car parked in front of the gate, and the person decided the $3 fare was not worth it and just walked. $3 per person on the weekends is really far fetched and wishful thinking. There is an old wooden barn, old, outdated, dull playground, a bunch of open space with dingy pavillions, dark restrooms, and a hiking trail that is too hilly with winding and steep passageway that is barely visible. The park should host the PG County fair and have more amenities such as a concert/festival stage, pool, basketball courts, just something but being a big area of nothing and a rip off. There is a lot of potential being wasted here. I found the trail to be winding, narrow, hilly, and dangerous and tough for people to hike, bike, and horseback ride. I and other people just walked on the side of the road like it is the country at the park. Very few people also, as the park can be easily overlook. I would drive the 10-15 minutes from around this part of Upper Marlboro to head to the much superior park which is not a state park but free in the Patuxent River Park in Croom portion of Upper Marlboro, really splended, innovative, and goregous park. read more

Rosaryville State Park - Hiking Near Me - Upper Marlboro, Maryland

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Great location and great area. Not sure why they charge if it's a state park. Only if you are driving in.

Rosaryville State Park is a public park on what was once a plantation in the 18th century. To that end, there's the original plantation's mansion, a tobacco barn, and a dairy barn still on the property that you can explore. In addition, there are nature preserves and parking throughout the park. It's free to enter. read more

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Great park awesome beautiful trail. It's very peaceful and they have mile markers telling you how far along your journey you are. Once you get to 30 you are home free It's a hard walk the trail is hilly with a lot of slopes and curves. Please know it's not easy and unless you walk 6+ miles weekly you will get tire and your feel will cry. It says that it's only 8.9 miles but as you can see from my pictures it's 9.5 give it take. They are currently doing some kind of construction and have set up safe ways to go around. Download ALLTRAILS App it will help if your unsure about what way to go read more

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Rosaryville State Park is a multi-recreational park located in Upper Marlboro, MD. The historic Mount Airy Mansion is located within the 982 acre park and is an ideal place to hold parties, weddings, family reunions, and birthday celebrations. Included, but not limited to, Rosaryville offers nature trails at different challenge levels for hikers, bikers, and equestrians, covered pavilions for gatherings and events, open area for large festivals and outdoor events, and a play area for kids. Note: there is construction going on within the park but the affect on visitors is currently minimal. read more

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This place is amazing for horseback riding! I had a great time! Definitely going back!!

Rosaryville State Park is a bit of a mixed bag. It is a small state park just west of Route 301, and its calm, quiet atmosphere contrasts pretty nicely with that rather busy highway. There are essentially three reasons why anyone would want to visit here: hike, mountain bike, or attend a wedding. Seriously. For the wedding goers, it turns out that the Mt. Airy mansion lies roughly in the center of the park, and it is accessible by an entirely different road than the traditional park entrance. Said mansion is typically rented out for weddings on weekends. I did not visit the park for this reason, but more information can be had on that by looking at the Mt. Airy reviews. For mountain bikers and hikers alike, there is one trail: the Perimeter Trail. It extends roughly 9 miles, as you may have surmised, around the perimeter of the entire park. The trail is maintained and principally used by mountain bikers. As such, it tends to meander in places unnecessarily often offering up switchbacks where a simple hill would suffice (at least from the point of view of a hiker). Along the way, the terrain is pretty mixed. There are gullies, stream beds, open fields, an extended easement for power lines, some houses, and an old, presumably abandoned barn. It's great for bird watching and seeing deer. The trail is fairly well-marked in both directions, though there was one questionable spot that had me going right instead of left with less than 100 percent certainty. By marked, I mean little signs with arrows pointing the way. Sometimes the signs indicate the mile, but that is only in one direction and not the other. There are no blazes. Overall, it is not a bad hike. It is pretty manageable in about 3 hours at a fast pace, 4 hours at a slower pace. Price of admission is $3 for MD residents and $4 for the rest of us and is handled by the honor system. Ideally it is suited for mountain bikers, but it can make for a decent, relaxing, quick hike. read more

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I've only managed to come here a handful of times so far but I plan to be coming many more times for trail riding. Great place to go out and get lost for a bit. Looks like they have some horse jumps in the field (I'll probably stay away from those but I know someone who is all over them). Reasonable entry into the park and I am glad I happen to be reasonably located near this one. read more

This park is in upper Marlboro . Use a GPS to find it. The address on the site is actually a near by house, but once you get there it will be apparent where you need to go. So there are trails and big open spaces in this park. Very scenic. There is also a mansion you can hike to. I'm sure you can drive too, but I was out for exercise... its quite and great to just hang out. There is a $3 fee on the honor system. But who wouldn't want to maintain these wonderful parks??? read more

This park is a hidden place to ride mountain bikes or go hiking around Southern Prince George's County, Maryland. You will drive right by this park if you haven't' used your GPS to find it. It seems like the State of Maryland doesn't support this park with updated services. There were lots of wildlife and very quite off of U.S. Route 301. This venue can hold a group outing or family function. read more

My organization had a cookout at Rosaryville State Park. We thoroughly enjoyed the fact that the pavilions are far from the road and we had a lot of privacy. You're able to have amplified music as long as its not loud enough for the people in the house on the premises to hear (which is far from the pavilions). The Pavilions could use a little sprucing up but had enough A/C for a DJ we had. There were enough tables, for which we put table clothes and we made a dance area under the pavilion. We put a banner up. Put out the food, turned up the music and we had a great time! The price is unbelievable. $350 for the entire day from sun up to sun down. Just bring some hornet spray. read more

Rosaryville State Park - The National Hand Dance Association Cookout at Rosaryville State Park in Upper Marlboro, MD. August 2014 - Hiking Near Me - Upper Marlboro, Maryland

Great ride for local after work trail. Weekdays are better then weekends, less people and fewer horses make for a faster ride!

Horseback riders BEWARE!!! I have been riding horses in this park for the past 15 years back when there were NO cyclists in the park. Now the park is over run with them, which would be just fine IF they all heeded to the park rules in yielding to the horse riders. Today my husband and I and our horses were attacked by a cyclist who would not stop for our horses, one of which is a young green QH. First off the man had on headphones and was traveling at a high rate of speed, my husband and I were shouting at the top of our lungs that there were horses up ahead but to no avail. It wasn't until he was about 10 feet from my husband that he finally looked up, he then hopped angrily off his bike and was angrily walking his bike straight at my husband and his panicking horse. I kept pleading over and over again for him to please stop but he just kept coming mumbling something about already pulling over for 50 horses. My husbands horse panicked and almost went over the sharp drop off. I was so worried about my husband and started yelling at the man about trail etiquette and he just kept yelling about how long he had been riding there and he knew everything. Once my husband got his horse under control he went to follow the man who had gotten back on his bike so that his horse could see there was nothing to fear and also he wanted to get the mans tag # so we could make a complaint ot the park officials. The man then proceeded to turn his bike to the horse and jump off telling my husband to come on and lets go at it. Words were exchanged and then the man picked up a very large piece of wood and came at both our horses meaning to hit them if he could. Both horses freaked at this mad man coming at them with this club. My husband was thrown off and dragged. We called the police and an ambulance, but of course by the time anyone got there the man was long gone. This man was dressed in a black cyclist suit with white on it and on a dark colored bike, he is a black man in his 40's or 50's who looked like he had cloudy eyes or cataracts, he also spit a lot every time he talked. If anyone sees this man on the trails please call the park rangers, they are looking for this man. read more

I live in the area and decided to take a ride thru after continuously seeing the Rosaryville State Park sign. A very nice park with two large pavilions, tables provided. Space. Space and more space but unfortunately no attractions for kids other than the space. So if you're planning an event which includes children, bring their games, bikes, balls, etc. Pavilions do have to be reserved. read more