Bushwalking
Great North Walk
Blue Mountains
Blackheath to Richmond (Grose River valley)
Wild Dog Mountains
Jenolan Caves to Katoomba (Six Foot Track)
Uni Rover Trail
Kanangra Boyd NP
Wollemi NP (Colo River etc.)
Barrington Tops
Budawangs
Kosciusko NP
Hume & Hovell Trail
Warrumbungles NP
Also check out:
bushwalkingnsw.com
www.wildwalks.com
 
Abseiling
Malaita Point (Blue Mountains)
Deep Pass (Newnes Plateau)
The Big Hole (Deua NP)

Caving
Bendethera
Bungonia
Colong
Timor
Tuglow
Wee Jasper
Wyambene

Canyoning
Carmarthen area (Claustral, Thunder, Raynon Brook etc.)
Mt Hay
Wollangambe area
Wolgan area (Rocky Creek, Surefire, Heart Attack etc.)
Newnes area (Starlight etc.)
Kanangra area (Kalang Falls, Kanangra Falls, Davies, Danae Brook etc.)
Bungonia area (Jerrara Creek, Spring Creek etc.)
Macquarie Pass  

Climbing
Blue Mountains
Booroomba Rocks (ACT)
Warrumbungles  
   Canoeing & Rafting
Shoalhaven River
Williams River
Allen River
Nymboida River
Murrumbidgee River
Myall Lakes

Ski-Touring
Kosciusko Main Range
Mt Jagungal area
Bogong High Plains (Victoria)

Major Expeditions in Australia
Hike in South-West Tasmania
Climb at Mt Arapiles (Victoria)
Sea-kayak or sail in the Whitsunday Islands (Qld)
Hike the Larapinta Trail (NT)
Hike in the Grampians (Victoria)
Hike the Alpine Walking Track (Victoria/NSW)
Cave the Nullarbor Plain (SA/WA)
Cave at Buchan (Victoria)
Cave at Narracoorte (SA)
Cave Diving at Mt Gambier (SA)
Raft the Nymboida River (northern NSW)
Hike in Lamington NP (Qld)
Hike in the Flinders Ranges (SA)
Scuba Dive on the Great Barrier Reef (Qld)
4WD to Cape York (Qld)
4WD to the Kimberley (WA)
Canoe, raft, or houseboat the Murray River (NSW/Victoria/SA)

Major Expeditions Overseas
Hike in New Zealand’s South Island
Hike the Kokoda Track (PNG)
Hike the interior of Viti Levu (Fiji’s main island)
Trek in Nepal
Scuba Dive the WWII wrecks in Vanuatu
Climb Mt Kinabalu (Borneo)
Climb Mt Wilhelm (PNG)
Climb Mt Kilimanjaro (Tanzania)
Mountaineering in New Zealand (do a course?)
Cycle in Vietnam or China