Ten lake-and-mountain towns for a perfect summer week

A lake changes what a mountain holiday can be. Peaks alone demand effort; add water and suddenly the day has options — a swim before breakfast, a slow boat instead of a slog, dinner on a jetty while the last light climbs the ridges. The ten towns below all sit where alpine drama meets swimmable, boatable, endlessly watchable water, and every one supports a full week without a car. Book early for July and August; these places are no longer anyone's secret.

The 'Venice of the Alps' tag undersells it: Annecy pairs a canal-threaded medieval old town with a lake so clean it's routinely called Europe's purest. Hire a bike and ride the flat lakeside voie verte to Talloires for lunch, swimming wherever the water looks irresistible — which is everywhere. Stay midweek if you can; Saturdays bring half of Geneva. The Tuesday and Friday old-town markets are worth planning around.

The island church, the clifftop castle, the improbably teal water — Bled looks retouched even in person. Row a traditional pletna boat to the island, ring the wishing bell, then walk the six-kilometre shore path to reset your sense of reality. The essential move is hiking twenty minutes up to the Mala Osojnica viewpoint at sunrise, before the coaches arrive. Cream cake at Park Café afterwards is compulsory, not optional.

Hallstatt earns its fame — pastel houses stacked between cliff and lake, church spire doubling in the water — but daytime crowds are genuinely fierce. Sleep in the village and you get the two golden windows: early morning and evening, when it belongs to residents and swans again. Ride the funicular up to the salt mine and Skywalk platform for the postcard from above. June and September beat peak summer comfortably.

Bellagio gets the fame; Varenna, across the water, gets the sunsets and a fraction of the crowds. Its lakeside passerella walkway strings together gelato stops, tiny beaches and villa gardens, with the Grigne mountains rising behind. The mid-lake ferry triangle — Varenna, Bellagio, Menaggio — is the best-value boat trip in Italy, so buy a day pass and hop freely. Climb to Castello di Vezio for the aerial view.

Interlaken sits between two lakes — turquoise Thun and greener Brienz — with the Eiger, Mönch and Jungfrau filling the gap in the skyline. The town itself is functional rather than pretty; its genius is position. Use the excellent boats and trains to reach Giessbach falls, Iseltwald and the high villages, and take the funicular up Harder Kulm for the two-lakes panorama. A regional travel pass pays for itself within two days.

Twenty-six kilometres past Bled lies its wilder, cheaper, quieter sibling: a glacial lake inside Triglav National Park with meadows to the shoreline and water warm enough for long August swims. Base yourself in Ribčev Laz or Stara Fužina, canoe in the mornings and ride the Vogel cable car for the best view in Slovenia. Crucially, hotels here cost roughly half of Bled's rates for scenery that arguably beats it.

The long-haul entry, and the one that flips the calendar: New Zealand's summer runs December to February, making Queenstown the answer when Europe is grey. Lake Wakatipu bends beneath the saw-toothed Remarkables, and the town does everything from jet boats to genuinely great wine in the nearby Gibbston Valley. Skip the busiest bungy queues and ride the Skyline gondola at dusk instead. Book cars and rooms months ahead.

Switzerland with the accent and appetite of Italy: Lugano curls around its palm-fringed lake beneath the twin sugarloaves of Monte Brè and Monte San Salvatore, both climbed by century-old funiculars. Swim from the lido, ferry-hop to the impossibly pretty fishing village of Gandria and eat polenta under the arcades of Piazza della Riforma. The lake stays swimmable well into September, when hotel rates soften and the light turns golden. Milan is under an hour by train.

The Bay of Kotor is the Mediterranean doing an impression of a Norwegian fjord: black mountains plunging into still, navigable water with a walled medieval town at the innermost bend. Climb the 1,350 steps of the fortress walls at dawn for the aerial view, swim from the pontoons at Dobrota and take a boat to the church island of Our Lady of the Rocks. June and September dodge both the heat and the cruise-ship rush.

The Canadian Rockies' park town delivers lake-and-mountain scenery at a scale the Alps can't quite match: Lake Louise's turquoise bowl beneath Victoria Glacier, Moraine Lake's ten peaks and elk wandering the outskirts as though they pay rates. Base in Banff itself, soak in the Upper Hot Springs and ride the gondola up Sulphur Mountain. Lakeshore parking is now heavily restricted, so book the Parks Canada shuttle to Moraine Lake well ahead for a sunrise slot.