Prince Eugen was the rare royal who could actually paint, and he built his life around it on a headland at the soft southern end of Djurgården. This is a short art walk with the water alongside the whole way — gallery, shore, mansion, garden, and a view to finish.
Cross Djurgårdsbron and drop to the water early. Pass Liljevalchs konsthall, the 1916 public art gallery whose spring salon is a Stockholm fixture, then take the southern shore path — benches facing the harbour, ferries sliding past, the stretch made for slowing down.
The point is Prins Eugens Waldemarsudde, the prince's mansion and gallery in one. His own landscapes hang in the rooms he lived in, and the changing exhibitions hold their own; it's shut on Mondays, so time it. Below the house, terraced flower gardens fall to the shore — free to walk even when the galleries aren't open, and the summer planting alone justifies the trip.
End at the old windmill on the rise, with the harbour wide below and the no.7 tram waiting at its terminus to carry you back.