Tasman Arch and Devils Kitchen will be closed to visitors from April 15 as construction begins on a $1.9 million track and platform upgrade.
The work at the popular Tasman National Park site is expected to take until August.
Walking tracks and viewing platforms will be upgraded, sections of track realigned and accessibility improved for visitors with disability.
The $1.65 million project received an additional $250,000 from the state government’s disability access initiative.
Tasmanian company AJR Construct won the contract in February through an open tender process.
About 25 local jobs will be supported, with 12 Tasmanian businesses subcontracted.
Acting parks minister Madeleine Ogilvie said the work would improve all-abilities access at the site.
“These upgrades will deliver infrastructure improvements that enable greater all-abilities access to the Tasmans Arch and Devils Kitchen sites,” she said.
The closure has been scheduled outside peak tourist season.
Access to the Waterfall Bay Track from Devils Kitchen will also be shut during construction, but walkers can still get in from Waterfall Bay Road.
The project is the second stage of the Tasman Gateway Project.
The first stage, finished in 2022, delivered new toilets, an upgraded car park and a bus layby.
Similar accessibility work has been done at Goblin Forest, Stanley Nut Reserve, Ferndene and the Dove Lake boardwalk.
