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Ireland
Galway

Lough Derg, Killaloe and Nenagh loop from Portumna

Routes
Road cycling routes
Ireland
Galway

Lough Derg, Killaloe and Nenagh loop from Portumna

Hard

Lough Derg, Killaloe and Nenagh loop from Portumna

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

A

Start point

Parking

Get Directions

1

12.4 km

Terryglass village and harbour

Highlight • Settlement

Popular harbor on Lough Derg with a pub (Paddy's), a restaurant (The Derg Inn) and a small shop.

Translated by Google •

Tip by

2

46.1 km

Larkins Pub & Restaurant

Highlight • Pub

On its own Larkin's would have a healthy business because of the quality of food. Given its location, it's very hard to beat for food or drink on a nice summer's day

Tip by

3

53.4 km

View of Lough Derg

Highlight • Viewpoint

This is a fantastic viewpoint offering panoramic views across the beautiful Lough Derg. You can see all the way to County Clare and up the River Shannon towards Galway. Make sure to bring a picnic!

Tip by

4

62.7 km

View of Ballina and Killaloe

Highlight (Segment) • Viewpoint

Lovely quiet, rolling road through the small village of Boher.

Tip by

5

83.0 km

Nenagh Castle

Highlight • Castle

This impressive 13th-century limestone castle, and Nenagh's oldest building, was once the home to the Butler family. The castle is open to the public to explore, including the 101 steps that will take you to the top of the tower!

Tip by

B

123 km

End point

Parking

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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

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

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

to get more detailed weather forecasts along your route

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Frequently Asked Questions

How difficult is the Lough Derg, Killaloe and Nenagh loop from Portumna?

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.

How long does it typically take to complete this cycling loop?

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.

Where can I park when starting this loop in Portumna?

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.

Is the Lough Derg, Killaloe and Nenagh loop a circular route?

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.

What kind of scenery can I expect along the route?

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.

Are there any notable landmarks or stops along the way?

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.

What is the best time of year to cycle the Lough Derg, Killaloe and Nenagh loop?

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.

Are dogs allowed on this cycling route?

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.

Do I need any permits or pay an entrance fee for this route?

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.

Are there places to eat or drink along the route?

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.

Does this route connect with other cycling trails?

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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