One person has died following a workplace incident at Kaingaroa Forest, Rotorua today.

"Emergency services responded to the address off of Tom Rodgers Road around 12pm," says a police spokesperson.

"A digger had become submerged and after a search was conducted the driver was located deceased."

Police say specialist teams including the Serious Crash Unit, CIB, and the National Dive Squad are involved in the response and recovery.

WorkSafe have been advised and enquiries are ongoing.

Kaingaroa Forest covers 2,900 square kilometres of the Bay of Plenty, and is the largest forest plantation in New Zealand. The forest stretches from Lake Taupō in the south to Kawerau to the north and has roughly 20 million trees.