LandSAR volunteers have been kept busy with several search and rescue operations recently.

LandSAR co-ordinator Sergeant Aaron Nicholson said the "dedicated" volunteers had carried out four successful operations during the past four days.

A 22-year-old male Israeli tourist was flown by helicopter from the Motatapu Track on Monday, after LandSAR members tramped into the remote valley to help the injured man.

The tourist had "either broken or badly sprained" his ankle and spent a night out in the open before being located by a group of trampers, Sgt Nicholson said.

The group notified LandSAR and the injured Israeli was taken to the Highland Hut, where a helicopter and paramedic crew was dispatched from Queenstown to help retrieve and treat the man.

LandSAR members attended two incidents on Saturday, to retrieve an man who had broken his leg after falling from his mountain bike near Wanaka, and to locate a missing 23-year-old Christchurch man.

Sgt Nicholson said LandSAR members were called to stabilise the injured cyclist, then carry him out from the Wanaka mountain-biking area at Sticky Forest, before a helicopter and first-aid crew flew him to Queenstown Hospital.

In the other incident on Saturday, a LandSAR rescue team was called to the Maungawera Valley, on the Eastern side of Lake Wanaka, to locate a man when he went missing from a campsite on Saturday afternoon.

Health issues had caused concerns about the man's wellbeing after he was reported missing for more than 10 hours by his family, Sgt Nicholson said.

He was found "cold, wet and hungry" after becoming disoriented during the time he was lost, Sgt Nicholson said.

A LandSAR team was also called on to locate three trampers in the remote Olivine Wilderness Area in Mt Aspiring National Park last Friday, after a friend of the group became concerned when they failed to follow a routine response check.

The group had been activating a "spot beacon" at set intervals to notify a Lyttelton-based friend of their location during their trip, Sgt Nicholson said.

When the beacon was not activated for a 35-hour period, which coincided with an intense storm, last week, the man had notified LandSAR.

The trampers were located "safe and well" near the Arawhata Saddle by searchers.

They had activated the beacon as agreed but, because they had sheltered from heavy rain under a rock bivvy, the signal had not beamed out.

Sgt Nicholson praised the response from volunteers during a "very busy time".

"It was one situation after another. The callouts were all varied and it goes to show we have a lot of dedicated people involved," he said.