Brendan Nottle swims across the Murray River on his journey to Canberra

Major General Brendan Nottle has officially crossed the border!

With a team of supporters by his side, Mr Nottle is on a 700km journey to Canberra.

His aim: To take the message of homelessness to the corridors of power.

3AW Mornings was sent vision of Mr Nottle swimming across the Murray River into NSW on Tuesday.