A man once described by police as the country's "most notorious bank robber" is back on Canadian soil to face trial after his arrest in Geneva last year. 

Jeffrey James Shuman — nicknamed "The Vaulter" because he allegedly hopped over counters to rob banks — was arrested in Switzerland in September 2015.

He had been sought under an international arrest warrant issued by Canada in connection with 21 bank robberies over a five-year span.

Shuman arrived back in Canada on Saturday afternoon. Peel Regional Police told CBC News they picked him up from Pearson International Airport and delivered him into the hands of York Regional Police. 

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The Canadian Bankers Association once offered a $10,000 reward for information leading to The Vaulter's arrest. (CBC)

He made a brief appearance in court in Newmarket, Ont., on Sunday. York police said they will provide further details at a news conference Tuesday.

Before Shuman was arrested, the Canadian Bankers Association had offered a $100,000 reward for information leading to The Vaulter's apprehension.  

Police allege he first struck in York Region in February 2010 and hit banks in Mississauga, Hamilton, Vaughan, Toronto and Ottawa, as well as some in Calgary. 

It's believed he was living in France before he was arrested in Switzerland.

At the time of his arrest, a spokesman with York Regional Police said Shuman would only be formally charged once he was extradited to Canada.

Police on Saturday would not comment on what charges Shuman will face now that he's home.