The best road cycling routes around Castle Island
3.7
(32)
334
riders
60
rides
Road cycling routes around Castle Island feature accessible paved paths offering scenic views of Boston Harbor and the city skyline. The area includes a three-mile stretch of parkland along the South Boston shoreline, connecting to broader cycling networks like the Boston Harborwalk. The terrain is generally flat, though cyclists should note that bike riding is prohibited around Fort Independence and on the immediate Causeway. This network provides low-stress routes suitable for various cycling abilities.
Best road cycling routes around Castleβ¦
Last updated: June 27, 2026
1
riders
137km
05:46
1,050m
1,050m
Cycle the difficult 84.9-mile Lough Erne and Ballyshannon loop from Enniskillen, featuring lough views, coastal scenery, and varied terrain.
5
riders
53.7km
02:41
650m
650m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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6
riders
33.6km
01:26
200m
200m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
6
riders
80.3km
04:05
970m
970m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
3
riders
57.0km
02:26
400m
400m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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Popular around Castle Island
Tips from the Community
Quiet, open part of Donegal Bay where the Breedoge River flows into the sea. Wide horizon, tidal flats and views of Bundoran make this a subtle but atmospheric landscape moment between Tullaghan and the Donegal coast.
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The castle now houses the Fermanagh County Museum, which focuses on the history, culture and natural history of the county.
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Would not regard the Sligo Road from Enniskillen to Belcoo as a cycle friendly road. Extremely poor surface for considerable stretches, very bendy in places too. I live in Enniskillen; have cycled it but would avoid it if at all possible. Cycling via Five Points , on Swanlinbar Road; then via old rail line from old Letterbreen railway station towards Lough MacNean ; or take road from Five Points towards Gortatole is a far more pleasant and safer option.
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In the graveyard are several interesting stones, probably the most noted one is known as the Bishops stone, this odd shaped stone has been altered and reused several times, originally thought to have been a carved figure similar to those on nearby White Island. Another stone with a lot of history is the large slab standing west of the bishops stone, one side of the stone bears at least twelve cup-shaped hollows, see image above right, which suggest this maybe a multiple bullaun stone/cup marked stone that has been reused as an early Christian cross slab, as on the obverse face is a Greek cross in a circle with a bifurcated stem. Situated south of the bullaun stone is a holed stone, as the image shows this stone is half embedded in the ground. Immediately to the West of the holed stone is a broken 1.2 metre high stone pillar. This stone may have been damaged. http://www.megalithicireland.com/Killadeas.htm
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The magnificent Enniskillen Castle is situated in the heart of Enniskillen on the banks of the River Erne. The castle was founded in the 15th century by Hugh 'The Hospitable' Maguire and belonged to the Maguire family for centuries. Between 2007 and 2013 a massive refurbishment took place so that the castle could be opened to the public. Today you can explore the castle grounds and learn about this landmarks rich history.
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In the graveyard are several interesting stones, probably the most noted one is known as the Bishops stone, this odd shaped stone has been altered and reused several times, originally thought to have been a carved figure similar to those on nearby White Island. Another stone with a lot of history is the large slab standing west of the bishops stone, one side of the stone bears at least twelve cup-shaped hollows, see image above right, which suggest this maybe a multiple bullaun stone/cup marked stone that has been reused as an early Christian cross slab, as on the obverse face is a Greek cross in a circle with a bifurcated stem. Situated south of the bullaun stone is a holed stone, as the image shows this stone is half embedded in the ground. Immediately to the West of the holed stone is a broken 1.2 metre high stone pillar. This stone may have been damaged. http://www.megalithicireland.com/Killadeas.htm
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In the graveyard are several interesting stones, probably the most noted one is known as the Bishop's stone, this odd shaped stone has been altered and reused several times, originally thought to have been a carved figure similar to those on nearby White Island. - http://www.megalithicireland.com/Killadeas.htm
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From this vantage point as the terrain starts to rise up to Tullybrack Hill, you can see all the way across the Sillees River, Ross Lough and Carran Lough. Your eyes are also drawn to th lush green farmland and woodlands stretching out below.
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Frequently Asked Questions
How many road cycling routes are available around Castle Island?
There are over 60 road cycling routes around Castle Island, offering a variety of experiences for different skill levels. You'll find everything from easy loops to more challenging long-distance rides.
What is the terrain like for road cycling around Castle Island?
The terrain around Castle Island is generally flat, featuring extensive paved walkways and coastal paths. Routes often include dedicated bike lanes, making for a low-stress cycling experience without major hills. However, some longer routes, like the Lough Erne and Ballyshannon loop from Enniskillen, can feature significant elevation gain.
Are there any specific rules or restrictions for cyclists on Castle Island?
Yes, cyclists should be aware that bike riding is prohibited around Fort Independence and on the Causeway at Castle Island itself. You are required to dismount and walk your bike in these areas, and bike racks are provided for convenience.
What kind of scenic views can I expect while cycling around Castle Island?
Road cycling routes around Castle Island offer picturesque views of Boston Harbor, the Atlantic Ocean, and the city skyline. You can also enjoy acres of green grassy lawns, and some paths provide views of planes taking off and landing at Logan Airport. The Enniskillen Castle β Enniskillen Castle loop from Enniskillen offers scenic landscapes throughout its moderate ride.
Are there family-friendly road cycling options near Castle Island?
Yes, Castle Island is well-suited for family cycling due to its low-stress, paved routes and flat terrain. The area features playgrounds and sandy beaches like Pleasure Bay, M Street Beach, and Carson Beach, which are great for a break. An easy option is the Bishop's Stone loop from Enniskillen, which leads through gentle landscapes.
What historical landmarks or attractions can I visit along the routes?
A prominent historical attraction is Fort Independence, a pentagonal granite fort with roots dating back to 1634. Free tours are available during warmer months. Other nearby attractions include Castle Coole and the Devenish Monastic Site, which can be explored as part of your cycling adventure.
Are there places to eat or get refreshments on or near Castle Island?
Yes, Sullivan's is a popular snack bar located directly on Castle Island, known for its clam chowder, lobster rolls, fried foods, and ice cream. The surrounding South Boston area also offers various cafes and pubs.
How accessible is Castle Island by public transport for cyclists?
Castle Island is easily accessible by bicycle from different parts of Boston, with many low-stress bike routes leading to it. There are also bike-share stations (Bluebikes) near Castle Island, offering convenient rental options if you don't bring your own bike.
What do other road cyclists say about their experience in Castle Island?
The road cycling routes around Castle Island are highly rated by the komoot community, with an average score of 3.9 stars from over 20 reviews. Cyclists often praise the scenic harbor views, the well-maintained paved paths, and the accessibility of the routes for various skill levels.
Are there any challenging road cycling routes for experienced riders?
While many routes are flat, more experienced riders can find challenging options. For instance, the Lough Melvin β Castle Caldwell Gatehouses loop from Enniskillen and the Old Man's Head β Carrick Lough loop from Enniskillen are both rated as difficult, featuring significant distances and elevation gains.
What is the best time of year to go road cycling around Castle Island?
The warmer months are generally ideal for road cycling around Castle Island, allowing you to fully enjoy the scenic views and take advantage of amenities like free tours of Fort Independence. The area's paved paths are suitable for cycling in various conditions, but always check local weather forecasts.
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