5.0
(2)
3
riders
01:57
41.6km
290m
Road cycling
Cycle the easy 25.9-mile Slane Castle loop from Navan, exploring historic sites and scenic views along the River Boyne.
Last updated: February 26, 2026
Waypoints
Start point
Parking
Get Directions
11.3 km
Highlight • Castle
Tip by
33.7 km
Highlight • Religious Site
Tip by
41.6 km
End point
Parking
Way Types & Surfaces
Way Types
29.0 km
12.1 km
626 m
Surfaces
24.3 km
17.1 km
207 m
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Elevation
Highest point (140 m)
Lowest point (30 m)
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Weather
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Thursday 2 July
21°C
11°C
23 %
Additional weather tips
Max wind speed: 26.0 km/h
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This route was planned by komoot.
This road cycling loop is approximately 41.6 kilometers long and is generally completed in less than two hours. The exact duration will depend on your cycling pace and any stops you make along the way.
Yes, the route is rated as easy and is suitable for most fitness levels. It features mostly well-paved surfaces. However, be aware that some back roads may include steep hills, and there is a challenging 1.5 km climb with a 9% maximum gradient near Slane village.
While the route starts from Navan, specific parking information for the trailhead is not provided in the tour data. It's advisable to check local parking options in Navan, such as public car parks, before your visit. For more detailed logistical information, you might check local tourism websites like visitslane.ie.
The route offers a rich blend of natural beauty and history. Key highlights include the iconic Slane Castle and St. Patrick's Church, Donaghpatrick. You'll also pass through lush greenery and rolling hills, often alongside the picturesque River Boyne. The broader area is home to the historic Hill of Slane and the world-renowned Brú na Bóinne, a UNESCO World Heritage site.
The Boyne Valley is beautiful year-round, but spring and summer (April to September) generally offer the most pleasant weather for cycling, with longer daylight hours and milder temperatures. Autumn can also be very scenic with changing foliage.
Yes, sections of this route overlap with or run adjacent to several other paths, including the Boyne Valley to Lakelands Greenway, Boyne Way, Blackwater Park, Boyne Navigation Towpath, Little Wood, Mill Road, and the Boyne Ramparts Heritage Walk.
For your safety, it is strongly advised to avoid main roads like the N51 Slane Road and the N2 due to high traffic volumes and potential danger for cyclists. Stick to the designated cycling routes and quieter back roads where possible.
As this is primarily a road cycling route, dogs are generally permitted if they are safely secured in a bicycle trailer or basket. If you plan to stop at any attractions or enter specific areas, check their individual dog policies beforehand. Always ensure your dog is under control and any waste is properly disposed of.
No specific permits or entrance fees are required to cycle the public roads and paths that make up this loop. However, if you plan to visit attractions like Slane Castle or Brú na Bóinne, separate admission fees may apply for entry to their grounds or visitor centers.
The route passes through or near villages like Slane and Navan, where you can find various options for cafes, pubs, and restaurants to refuel during or after your ride. It's a good idea to check opening times in advance, especially if cycling during off-peak seasons.
The loop primarily features well-paved road surfaces, making for a comfortable ride. You'll encounter rolling hills characteristic of the Boyne Valley, with some back roads having steeper sections. The route also offers scenic stretches alongside the River Boyne.
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