Bay of Plenty Police have launched an investigation into a person's death after a body was found in a stream this morning.

The body was found in Fordlands, Rotorua, at around 11.30am.

Police have cordoned off an area of Fordlands after a body was found in a stream this morning. Photo: File.

Residents in the area believe the body was found by people who were going trout fishing.

Bay of Plenty Police communications manager Kim Perks says the area - a walkway backing onto residential properties on Ruth Street - has been cordoned off and an investigation is underway.

'The circumstances of the death are unknown at this stage,” explains Kim.

Anyone with information that might assist are asked to contact Rotorua Police on: 07 348 0099.

Alternatively, information can be left anonymously Crimestoppers on: 0800 555 111.

Body located in a stream in Rotorua. Circumstances unknown at this stage but if you have information please call? http://t.co/F5gQEJnOMK

— Bay of Plenty Police (@BOPPolice) May 26, 2015