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Routes
Bike touring routes & trails
United Kingdom
England
South West England
Dorset
West Dorset
Dorchester

Dorchester and Isle of Portland Loop

Hard

4.0

(2)

22

riders

Dorchester and Isle of Portland Loop

04:11

61.6km

760m

Cycling

Cycle the difficult 38.3-mile Dorchester and Isle of Portland Loop, featuring coastal views, varied terrain, and 2486 feet of elevation gain

Last updated: February 26, 2026

Waypoints

A

Start point

Train Station

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1

14.6 km

The Rodwell Trail

Highlight (Segment) • Viewpoint

Beautiful coastal scenery along the Rodwell Trail. Best time to take this cycle route is in the mornings, as can get rather busy during the early evening.

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2

17.4 km

Chesil Beach Visitor Centre

Highlight • Rest Area

It is on Chesil Beach. Informative with good views. Good access to the 'Chesil' and good for bit of birding. Esp attractive if the weather is poor - cycling along …

Tip by

3

52.2 km

Hardy Monument

Highlight • Monument

This striking tower stands to the north of the Isle of Portland and offers fantastic 360 degree views of Dorset and the English Channel. Although the novelist Thomas Hardy lived …

Tip by

B

61.6 km

End point

Train Station

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Way Types & Surfaces

Way Types

26.0 km

25.3 km

3.96 km

3.10 km

2.78 km

313 m

141 m

Surfaces

38.9 km

16.6 km

4.11 km

1.82 km

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Elevation

Elevation

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Highest point (230 m)

Lowest point (undefined)

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Weather

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Tuesday 5 May

15°C

8°C

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This route was planned by komoot.

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Frequently Asked Questions

What is the terrain like on the Dorchester and Isle of Portland Loop?

The route offers a varied cycling experience. The section from Dorchester to Weymouth, largely following National Cycle Route 26, features traffic-free paths and quieter roads, making it generally pleasant. However, cycling on the Isle of Portland itself is more challenging, with steep climbs and descents, particularly near Fortuneswell and the ascent from Chesil Beach. While many surfaces are paved, some segments, especially in older quarry areas or coastal tracks, can be unpaved or gravel. A touring bike with good gears is essential for tackling the inclines on Portland.

What are the main points of interest along this cycling route?

The loop boasts exceptional and varied scenery and landmarks. You'll pass through the Radipole Lake RSPB Nature Reserve, Weymouth's beach and 17th-century harbor, and the scenic The Rodwell Trail. On the Isle of Portland, you can enjoy dramatic coastal vistas, rugged cliffs, and views of the iconic Chesil Beach. Other notable spots include Portland Bill with its lighthouses, Tout Quarry (a sculpture park), Portland Castle, and the Hardy Monument.

Is the Dorchester and Isle of Portland Loop suitable for beginners?

Due to its 'difficult' grading, significant elevation gain, and challenging sections on the Isle of Portland with steep climbs and mixed terrain, this full loop is generally not recommended for beginners. While parts of the route, like the Rodwell Trail or sections of NCN 26, are more leisurely, the overall experience requires good fitness and cycling experience. Easier, family-friendly routes exist around Weymouth and connecting to Portland if you prefer a less demanding ride.

What is the best time of year to cycle this route?

The best time to cycle this loop is typically from late spring to early autumn (May to September) when the weather is generally milder and more stable. Summer offers the longest daylight hours, but can also be busier. Be prepared for coastal winds at any time of year, especially on Portland. Always check the weather forecast before you go, as conditions can change quickly.

Where can I park to start the Dorchester and Isle of Portland Loop?

While the route starts in Dorchester, specific parking information for the exact trailhead isn't provided. However, Dorchester offers various public car parks. For example, you can find information on parking facilities in Dorchester via the Dorset Council website. Consider starting in Weymouth or on Portland if you prefer to tackle specific sections, as they also have parking options.

Are there any permits or entrance fees required for cycling this trail?

No, there are no specific permits or entrance fees required to cycle the Dorchester and Isle of Portland Loop itself. The route passes through the Dorset National Landscape, which is freely accessible. However, some attractions or facilities along the way, such as the Chesil Beach Visitor Centre or Portland Castle, may have their own admission charges or parking fees if you choose to visit them.

Is the Dorchester and Isle of Portland Loop dog-friendly?

While cycling routes themselves don't typically have dog restrictions, the suitability for dogs depends on whether your dog can comfortably travel in a bike trailer or basket for the entire duration of this long and challenging touring bicycle route. If you plan to stop and walk, be aware of local regulations regarding dogs on beaches (especially during peak season) and in nature reserves like Radipole Lake RSPB. Always keep dogs under control, especially near livestock or wildlife.

Does this cycling route connect with other well-known paths?

Yes, a significant portion of this route leverages National Cycle Network Route 26, providing signed paths. It also incorporates sections of the Rodwell Trail, a popular traffic-free path. Other official trails that intersect or run concurrently for smaller sections include the South West Coast Path (Section 49: Isle of Portland Circuit), King Charles III England Coast Path: Portland to Lulworth, and the South Dorset Ridgeway.

Are there places to eat or drink along the route?

Yes, you'll find plenty of options for refreshments. Dorchester and Weymouth offer a wide range of cafes, pubs, and restaurants. As you cycle towards and on the Isle of Portland, there are also various establishments, particularly in towns like Fortuneswell and near popular attractions. It's always a good idea to carry some snacks and water, especially for the more remote sections on Portland.

What kind of bike is best suited for this loop?

Given the 'difficult' grading, the varied terrain including paved roads, traffic-free paths, and potentially unpaved or gravel sections on Portland, a touring bicycle with decent gears is essential. The steep climbs and descents on the Isle of Portland require a bike capable of handling significant gradient changes. Ensure your tires are suitable for mixed surfaces.

Can I access the trail using public transport?

Yes, Dorchester is well-connected by public transport. Dorchester South and Dorchester West train stations offer rail links, and there are bus services to Dorchester and Weymouth. You can plan your journey to the starting point using public transport, which allows for flexibility if you don't wish to complete the entire loop or need to return from a different point. For detailed public transport information, you can check local bus and train operator websites.

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