A man stand up paddle boards (SUP) on a calm Lake McDonald in Glacier National Park.

vertical sunny day outdoors standing yellow sunset horizontal side view nature front view full length one person adventure tree landscape travel rock lake geology national park shadow lifestyle sunlight environment remote tranquil scene copy space mountain reflection oar paddle snow glacier athletic vacations snowcapped mountain range sport beauty in nature scenics leisure usa active montana sports equipment transparent physical geography clear sky recreational pursuit horizon over land healthy lifestyle 35 39 years paddleboard rippled hobby one mid adult man only glacier national park weekend activities outdoor pursuit inflatable sportswear non urban scene hidden lake three quarter rear view lakeshore logan pass paddle board sup mcdonald west glacier