Yesterday, 25 LandSAR volunteers were searching in the area, including two LandSAR dog handlers and a helicopter.
A police spokesperson said this morning that search efforts continued overnight, with six LandSAR volunteers staying the night in the bush, along with a LandSAR dog.
A total of 28 LandSAR staff will continue searching today, along with two LandSAR dogs. A helicopter will also be up again today, the spokesperson said.
Police Search and Rescue staff are also searching along the Te Araroa Track near Lake Emily.
"Police are hugely grateful to all the LandSAR volunteers who have assisted with the search so far, as well as the helicopter company," the spokesperson said.
"We continue to ask anyone who may have seen Timothy to contact us."
• Anyone with information should call police on 105, referencing 190522/8605.