Rotorua police have serious concerns for a 36-year-old man missing since late last month

Jayleb-Che was last known to be near the hot and cold pools on Waiotapu Loop Road.

Officers continue to appeal for information from anyone at the pools who may have seen or spoken to him the evening of Tuesday September 30.

They're also keen to talk to anyone at the nearby Waiotapu Mud Pools the next day between 10am and 3pm.

Dog teams, drones and ground crews have carried out searches.

Police will review areas searched and other information received in coming days.