Chris Froome says next week's Criterium du Dauphine will be a "good gauge" of his form before he attempts to win a record-equalling fifth Tour de France.
Three of the 34-year-old's four Tour wins have come after winning the week-long Dauphine, which starts on 9 June.
Team-mate and fellow Briton Geraint Thomas won the 2018 Tour, having also won the Dauphine the month before.
"There's a bit of everything there, I think it's a pretty good, well balanced route," said Team Ineos rider Froome.
"There are a few lumpy days, a time trial and then some big mountain days.