Agdenes Lighthouse

{{Short description |Coastal lighthouse in Norway}}

{{Infobox lighthouse

| name = Agdenes Lighthouse
Ringflua

| image = Agdenes lighthouse.jpg

| caption = View of the lighthouse; old one in the background, new one in the foreground

| location = Trøndelag, Norway

| yearbuilt = 1804 (first)
1828 (second)

| yearlit = 1984 (current "Ringflua")

| automated = 1984

| yeardeactivated = 1984 (second)

| foundation =

| construction = masonry tower (second)
concrete tower (current)

| shape = square tower with balcony and lantern (second)
cylindrical tower with balcony and lantern

| marking = white tower, red lantern roof (second and current)

| height = {{convert|17.8|m}} (second)
{{convert|11|m}} (current)

| focalheight = {{convert|11.2|m}}

| lens =

| currentlens =

| intensity =

| range = Red: {{convert|9.82|nmi|km mi|abbr=on}}

Green: {{convert|9.36|nmi|km mi|abbr=on}}

White: {{convert|12.39|nmi|km mi|abbr=on}}

| characteristic = Oc (2) WRG 8s

| fogsignal =

| racon =

| country = Norway

| countrynumber = 414000

}}

The Agdenes Lighthouse or Ringflua is a lighthouse on the Trondheimsfjord in Orkland Municipality in Trøndelag county, Norway. The lighthouse sits just offshore at a 90 degree bend in the fjord which leads to the city of Trondheim. The old lighthouse sits on the shore, just a short distance from the present light. The lighthouse is only accessible by boat. It is located about {{convert|6|km}} east of Vassbygda. About {{convert|6|km}} across the fjord to the north is Brekstad in Ørland Municipality and about {{convert|4|km}} across the fjord to the southeast is the village of Hasselvika in Indre Fosen Municipality.