It will be the first time in years that groups such as ACT catchment groups, Parkcare and ACT Wildlife will have government funding provided for multiple years at one time, rather than having to rely on year-on-year financial arrangements.

The funding is set to run during the next four financial years, and while the final amount is still being finalised, a pre-election commitment put forward by the ACT Greens ahead of the 2020 poll promised $3.2 million.

Co-convenor of the Mount Taylor Parkcare Group Kathy Eyles said the announcement allowed for the environmental groups to carry out more work in Canberra's bushland, rather than having spend large amounts of time securing funding.

"It's key to allowing some of the smaller groups in the ACT to keep running and functioning," she said.

"The government funding means we can do projects that would otherwise be out of reach."

Among some of the projects carried out by the volunteer organisation have been habitat restoration for the threatened pink tailed worm lizard, along with further weeding and erosion control works.

"We have had so much rain recently that the weeds have gone absolutely crazy," Ms Eyles said.

ACT Environment Minister Rebecca Vassarotti said long-term funding for the volunteer groups made sure their work was able to be carried on unabated.

"I want to ensure financial support for those volunteer organisations and volunteers who truly love and understand their neighbourhoods," she said.

"Providing reliable, long-term funding for Canberra's community local environmental volunteer-based groups beyond June 30 will allow groups help them continue their valuable work

Executive officer of the Southern ACT catchment group Martine Franco also welcomed news of the sustained funding.

"It's recognition of the work that we do and it will build those long term relations in the community for decades," she said.

Landcare ACT chief executive Karissa Preuss said the multi-year funding was something sought after by the group after years of calls.

"Landcare volunteers contribute more than $2 million in in-kind hours working with traditional custodians to maintain and regenerate urban areas, waterways and our rural areas each year," she said.

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