The plural form of the singular noun "trail" is "trails".
The word "trail" is also a verb: trail, trails, trailing, trailed.
Tangled Trails was created in 1921.
On Jungle Trails was created in 1936.
Suburban Trails was created in 1941.
Indian Trails was created in 1910.
Fading Trails was created in 2005.
Coyote Trails was created in 1935.
Wisconsin Trails was created in 1960.
Blood Trails was created in 2007.
The word snakes is a common plural noun. It requires no apostrophe.Snakes in the grass is an idiom.If the word snakes has a possession or belonging, it needs an apostrophe.The snakes' movements through the grass left trails.
they are trails
the Oregon and The Mormon Trails.
Condensation trails or 'con trails'.