The area is about 80km NW of Hobart, and is reached on sealed roads via Bothwell or Ouse, and fair unsealed roads thereon.

Collecting Area

Interesting material occurs over most of Tunnel Marsh (AMG reference 462 300 mE, 5 323 300 mN).






Agate, jasper and petrified wood are found over most of Tunnel Marsh and are extracted by shallow digging. The material is generally inferior to that found at Lune River and Penstock.