May - Late June, 1806 - (2h 32min, may 1, 1806 y – 22h 22min, jun 30, 1806 y)
Description:
The expedition reaches the Bitterroot mountains, but must wait for the snow to melt before crossing them. During this time the expedition again stays with the Nez Perce, Lewis describes them as "the most hospitable, honest and sincere people that we have met with in our voyage."
Added to timeline:
Date:
2h 32min, may 1, 1806 y
22h 22min, jun 30, 1806 y
~ 2 months