The name itself is geology in disguise. *Callander* derives from a Brittonic root, *caleto-dubro*, meaning hard water, cognate with the modern Welsh *caled-dwr*. People were here long before they spoke either language. East of town near Keltie Bridge lies the Auchenlaich Cairn, a Neolithic chambered mound 322 metres long, the longest of its kind in Britain. The Romans came too, under Agricola in the first century AD, throwing up ramparts at Bochastle Farm that are still visible in low evening light. At Dunmore above Loch Venachar, a vitrified hillfort shows the heat-fused stonework of an even earlier defence. Each generation built its watch on the same crossing of the River Teith, where the Garbh Uisge and Eas Gobhain join just west of the bridge.

In the early sixth century, Saint Kessog came east from Iona. A disciple of Columba and an Irish missionary, he preached in this valley and was remembered in a small mound by the Teith called Tom na Chessaig, the Hill of Kessog. Local tradition held that it marked his grave, or perhaps the site of Callander's first church. Modern archaeology says it is more likely a medieval motte, a Norman-era earthwork, though no one has dug it to make sure. What is certain is that an annual market called Feill ma Chessaig ran on the spot until the early 19th century. The 19th-century Gothic church at the square is named after Kessog too. It closed in 1985, served briefly as a Rob Roy MacGregor visitor centre, and now stands empty, waiting for the next chapter.

Rob Roy MacGregor, the cattle-drover-turned-outlaw whose name draws walkers along the Rob Roy Way that passes through town, is Callander's most marketable son. Less marketable is the deeper history he stood inside. In 1645, during the campaigns of Montrose, a battle was fought just east of the village. The Campbells of Argyll, harrying the MacGregors and McNabs for siding with Montrose, were caught at a ford on the Teith by 700 Atholl men under Inchbrakie. Outflanked at a second ford near the present bridge, the Campbells broke; eighty died on the field. A century and a half later, the same hills were cleared of people. Before 1800, sheep were already replacing tenants in the early phases of the Highland Clearances. The Gaelic that Wordsworth heard in 1803 was already a dying voice.

Callander has a quiet talent for cameos. In the 1960s the BBC turned it into the fictional Tannochbrae for *Dr. Finlay's Casebook*, and a generation of Britons came to think of these streets as the platonic Scottish small town. The villainous Destro of *G.I. Joe* fame was, in his own fictional bio, born here. Adrian Mole walked into Callander from Loch Lubnaig to buy a Mars bar and play Space Invaders. Helen Duncan, who came from Callander, was the last person to be imprisoned in the United Kingdom under the Witchcraft Act 1735, jailed in 1944 because she was holding seances that British military intelligence found too accurate for comfort. The landscape painter Archibald Kay made Callander his home from 1904 and is buried here beside his twelve-year-old son Archie, who drowned in 1907, and his cousin George Whitelaw, who drowned trying to save him.

Modern Callander keeps a full calendar. The official opening of salmon fishing on the River Teith happens in February, Summerfest and the Highland Games in July, the Trossachs Beer Festival in late summer, the Jazz and Blues Festival in autumn, Winterfest in December. McLaren High School, founded 1892, draws pupils from as far as Killin and Inversnaid. In 2018 the town was named Scotland's first Social Enterprise Place, recognising the density of community-owned ventures, including Callander Community Hydro, a renewable energy scheme that quietly funnels its profits back into local projects. The Gateway to the Highlands has not stopped being a gateway. It just changed what it lets through.