05:25
123km
920m
Road cycling
Cycle the difficult 76.3-mile Lough Derg, Killaloe and Nenagh loop from Portumna, featuring lake views and charming towns.
Last updated: February 26, 2026
Waypoints
Start point
Parking
Get Directions
12.4 km
Highlight • Settlement
Translated by Google •
Tip by
46.1 km
Highlight • Pub
Tip by
53.4 km
Highlight • Viewpoint
Tip by
62.7 km
Highlight (Segment) • Viewpoint
Tip by
83.0 km
Highlight • Castle
Tip by
123 km
End point
Parking
Way Types & Surfaces
Way Types
101 km
14.7 km
6.76 km
< 100 m
Surfaces
101 km
21.6 km
< 100 m
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Elevation
Highest point (140 m)
Lowest point (30 m)
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Weather
Powered by Foreca
Thursday 9 July
27°C
12°C
0 %
Additional weather tips
Max wind speed: 12.0 km/h
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This route was planned by komoot.
This is classified as a difficult road ride, requiring very good fitness. The challenge comes from its considerable length of approximately 123 kilometers and an elevation gain of around 920 meters. While the surfaces are generally well-paved, the demanding distance and accumulated climbing make it a significant undertaking.
The estimated duration for completing this racebike loop is around 5 hours and 25 minutes. However, this can vary based on your fitness level, speed, and how many stops you make to enjoy the scenery or visit towns.
Portumna serves as the starting point for this loop. While specific parking details aren't provided, as a northern gateway town on Lough Derg, Portumna offers various parking options. You may find suitable parking near the town center or close to the lakefront. For more information on local amenities, you might check visitportumna.com.
Yes, this is a loop trail, meaning you will start and finish in Portumna, circumnavigating a significant portion of Lough Derg and passing through towns like Killaloe and Nenagh.
Cyclists can expect a rich variety of scenic views, including extensive views of Lough Derg, vistas of surrounding mountain ranges like the Arra Mountains and East Clare hills, and quiet Irish country roads. You'll also pass through charming historic towns and villages, offering a blend of natural beauty and local culture.
Absolutely! The route features several points of interest. You can visit Terryglass village and harbour, enjoy a stop at Larkins Pub & Restaurant, and take in stunning vistas from a View of Lough Derg and a View of Ballina and Killaloe. Don't miss Nenagh Castle in Nenagh.
The best time to cycle this loop is generally during the warmer, drier months, typically from late spring to early autumn (May to September). This period offers more favorable weather conditions for long-distance cycling, though it's always wise to check the local forecast before heading out.
This is a road cycling route that primarily follows public roads. While there are no specific restrictions against dogs on the public roads themselves, it's generally not recommended to bring dogs on such a long and challenging racebike route due to safety concerns for both the cyclist and the animal. If you plan to stop in towns, be aware of local regulations regarding dogs in shops or establishments.
No, there are no specific permits or entrance fees required to cycle the Lough Derg, Killaloe and Nenagh loop, as it primarily uses public roads and passes through towns. However, any attractions or services you choose to visit along the way may have their own charges.
Yes, as the route passes through several towns and villages like Portumna, Killaloe, and Nenagh, you'll find various options for food and drink. For example, Larkins Pub & Restaurant is a highlight along the way. These towns offer cafes, pubs, and restaurants where you can refuel.
Yes, this route intersects with several other marked cycling routes. You'll find sections that overlap with the Nenagh Cycle Hub - Loop 1, Nenagh Cycle Hub - Loop 1C, Nenagh Cycle Hub - Loop 2, and Nenagh Cycle Hub - Loop 3, among others. It also briefly touches the Lough Derg Way and EuroVelo 2.
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