Rambler (noun)

1. A person who enjoys long walks in the countryside, especially for pleasure.
2. A person who likes to walk through the countryside, especially for pleasure.
3. A person who likes to go for long walks in nature, usually for leisure or pleasure.

Origin:

From old english rambel ("a branch"), from ramb ("to branch out") + -el.

Examples:

1. The rambler set out early in the morning for a hike.
2. The rambler's favorite trail was along the river.
3. The rambler was an experienced hiker.
4. The rambler was a member of the local hiking club.
5. The rambler's favorite activity was exploring new trails.