Visitors to one of Tasmania's most popular walking tracks are playing an important part in ecotourism in the state.
The iconic Overland Track has just received funding from a pilot program between Green Guardians at Parks and Wildlife Tasmania and Keep Australia Beautiful for its second season of ``voluntourism''.
At a guest's request, the trek can become a Green Guardian walk, where, as well as experiencing the natural vistas of the area, volunteering guests will collect and monitor litter along the track.
Cradle Mountain guided walk tours general manager Heath Garratt said the initiative had been well received by guests.
``Our guests have an opportunity to be more connected with the places they come through, a lot of guests are getting into it,'' Mr Garratt said.
Data collated from the sorts of litter noted on the track is then passed on to Keep Australia Beautiful.
Keep Australia Beautiful education officer Ruth Whelan said the information would enable the organisation, which has a partnership with Parks and Wildlife Tasmania, to provide more suitable infrastructure.
``We can then provide not just the infrastructure, but the education, so that the litter not only ends up in the bin, it ends up in the right bin,'' Mrs Whelan said.