Lill-Janskogen, (English: "Little Jan's Forest"), is a park in Stockholm, Sweden. It is located on northern Djurgården and is a popular area for recreational activities.
For the 1956 Summer Olympics, the park hosted part of the eventing portion of the equestrian events.
The Ugglevik reservoir
The Ugglevik spring
Coordinates: 59°21′05″N 18°04′45″E / 59.35139°N 18.07917°E / 59.35139; 18.07917