Caledonia Way Cycle Route: The Best 234 Signed Highland Miles

The Caledonia Way runs about 234 miles up the west of Scotland, from Campbeltown on the Kintyre peninsula to Inverness. It is signed the whole way as National Cycle Route 78, threading the western sea lochs, the coast at Oban, and the Great Glen.

On a bike it is a long, steady Highland journey rather than a hard mountain push. About a third runs traffic-free on old railway paths and canal towpaths, with quiet roads linking the rest. This guide covers the route the way a rider takes it, south to north over a week or more.

For the other long routes in the country, see our guide to cycling routes in Scotland.

Why Ride the Caledonia Way

Signed end to end as National Cycle Route 78, the Caledonia Way is the country's flagship long-distance cycle route and the gentlest of the big Highland rides. It links Kintyre, Argyll and the Great Glen into a single waymarked line. It asks far less of a rider's climbing legs than the far-north routes do.

The appeal is the mix of surfaces. Roughly a third of the route runs off-road on old railway paths and canal towpaths, far more traffic-free riding than a road loop like the North Coast 500. The quiet roads that link the sections carry little traffic outside the summer weeks.

It suits a rider who wants distance and Highland scenery without the exposure, with the reassurance of a signed path underfoot. The gradients stay manageable, the villages come often enough, and the finish at Inverness makes the journey home simple.

The Caledonia Way at a Glance

• Route name: Caledonia Way (National Cycle Route 78)

• Length: roughly 234 miles, Campbeltown to Inverness

• Route type: point-to-point, south to north

• Start/finish: Campbeltown on Kintyre to Inverness

• Surface: about one third traffic-free path, the rest quiet road

• Difficulty: moderate; no severe climbs

• Recommended bike: touring, hybrid or gravel bike

• Our tour: 9 days, south to north

Route Overview

The Caledonia Way falls into three stretches that ride almost like separate routes. The first runs up the Kintyre peninsula and around the western sea lochs, past the Crinan Canal, to the ferry port of Oban. Much of that leg is on quiet coast roads and old railway paths.

The middle stretch heads inland from Oban toward Fort William, along Loch Awe beneath Kilchurn Castle and past the fringe of Glen Coe. This is the most mountainous section, though the gradients stay manageable and the road keeps to the glens rather than climbing over them.

The final third is the Great Glen, from Fort William to Inverness. It follows the Caledonian Canal and the shore of Loch Ness on towpath and low-level path, and it is the easiest and most popular stretch of the whole route.

Route Map

On the ground the route is signed throughout as National Cycle Route 78, and the blue-and-red Sustrans signs do most of the navigating. A route map still earns its place for planning distances, accommodation and where the traffic-free sections begin and end.

Sustrans publishes the official mapping for Route 78, and the route also appears on Ordnance Survey maps and the main cycle-mapping apps. Carry an offline map for the remoter Argyll sections, where phone signal is patchy and a few junctions are easy to miss.

Elevation and Difficulty

The Caledonia Way is a moderate ride rather than a mountain one. There is no single big climb to train for, and the route works with the glens and lochs instead of over them, so the profile stays rolling rather than severe.

The Oban-to-Fort William middle section carries the most climbing, through more mountainous ground around Loch Awe and the edge of Glen Coe. The Great Glen third that follows is close to flat, which is why the traffic-free paths make it a friendlier route for less confident riders than an open road loop.

A rider used to multi-day touring will find the daily distances comfortable at the tour's pace. The challenge is the length and the west-coast weather rather than the gradients.

A 9-Day Itinerary

Our tour rides the Caledonia Way over nine days, south to north, at a steady touring pace.

The route is signed well enough to plan yourself, but a point-to-point trip still means sorting transport at both ends and booking beds early for summer. Our self-guided tour handles the accommodation and the luggage, so the riding is what is left.

• Distance: ~234 miles (National Cycle Route 78)

• Duration: 9 days, south to north

• Route: Campbeltown to Inverness, via Tarbert, Oban, Fort William and Loch Ness

When to Ride

Spring (April – June)

Spring opens the Caledonia Way season, and the low, sheltered line means it comes into condition earlier than the exposed routes further north. May and June bring the longest days and, on the west coast, the driest and brightest weeks of the whole year.

Late spring is also quieter on the paths and easier for booking beds than high summer. Nights can still be cold in the glens, so spring riding wants a warm layer in the bag.

Summer (July – August)

Summer is the most reliable window for weather and the busiest on the route. Long daylight gives plenty of margin for the bigger days around Oban and Fort William, and the traffic-free sections are at their most welcome when the roads carry holiday traffic.

The west-coast midges are worst on still, damp evenings from June to August, especially in Argyll, though a moving rider is rarely troubled and the campsite stops feel it more than the saddle. The small villages book out early, so summer needs the earliest planning.

Autumn (September – October)

September often holds summer's settled weather with far fewer people, which makes it a favourite among riders who want the route quieter. The Argyll woods and the birch along Loch Ness turn through the month, and the Great Glen's autumn colour is the best of the ride.

By October the days shorten fast and the weather turns less reliable, with the west coast catching the first Atlantic storms. Some of the smaller guesthouses and cafes begin closing for the season, so the choice of overnight stops narrows.

Winter (November – March)

Winter is off-season on the Caledonia Way, and our tour does not run then. Daylight drops below eight hours, the exposed sections turn cold and wet, and much of the accommodation along the route shuts for the season.

A winter ride is for experienced, self-sufficient riders only. Treat winter as the season to plan a trip, not ride one, and save the route for the settled weather of spring through autumn.

Getting There and Getting Home

The Caledonia Way runs point to point, so the two ends need different transport. Campbeltown, the start, sits near the tip of the Kintyre peninsula, reached by the 40-minute flight from Glasgow to the small airport by the route, or by the long road down the peninsula.

Inverness, the finish, has the best transport links in the Highlands, with trains to the Central Belt and London and an airport with UK connections. Ending at Inverness makes the journey home the easy part, which is one more reason to ride the route south to north.

How Much It Costs

Our self-guided nine days are priced per person for eight nights in three-star hotels with breakfast, with luggage moved each day, the digital guidebook, the GPS app and support while you ride. Ferry tickets and tourist tax are paid locally. An e-bike, gravel, mountain or road bike, a single room and the airport transfer are optional extras quoted with the tour.

The route is signed and free from end to end, and the only fixed costs are the crossings. CalMac carries bikes free of charge on every ferry, so the ferry line in the budget is the passenger fare alone. Bikes travel free on ScotRail, with the space reserved on the Highland lines when you book, and the flight from Glasgow to Campbeltown charges for a bike in a bag.

What to Pack

Nine days in the west of Scotland means rain kit first: a waterproof jacket, overshoes, a warm layer and full-finger gloves in any month. Lights and a red rear reflector are a legal requirement after dark, and the forest sections south of Fort William are dim under cloud.

Tyres of 35 mm or wider suit the mix of towpath, forest track and road, and two spare tubes and a chain link cover the long stretch without a bike shop between Oban and Fort William. Two bottles and a day's food for the Kintyre and Kilmartin sections, where villages are far apart, and midge repellent for the canal evenings from June to August.

Is the Caledonia Way Right for You?

Choose the Caledonia Way if you want a long, signed Highland route with plenty of traffic-free riding. It suits riders who want distance and scenery without the exposure, and who like the reassurance of a waymarked path underfoot.

For the shortest, gentlest taste of Highland cycling, the Great Glen Way rides only the final third. For the hardest and most remote, the North Coast 500 is the step up.

Our self-guided Caledonia Way tour rides the same nine days, with the accommodation booked, the luggage moved and a GPS guide for the route. Get in touch if a different pace or start date needs working out.