There is a Legacy version
here.
Terrain Stalker Feat 1General Skill Source Player Core pg. 263 2.0Prerequisites trained in
Stealth
Select one type of difficult terrain from the following list: rubble, snow, or underbrush. While undetected by all non-allies in that type of terrain, you can Sneak without attempting a Stealth check as long as you move no more than 5 feet and do not pass within 10 feet of an enemy during your movement.
During exploration, this also allows you to automatically approach within 15 feet of other creatures while Avoiding their Notice, as long as they aren’t actively Searching or on guard.
Special You can select this feat multiple times. Each time, choose a different type of terrain.
Traits
General: A type of feat that any character can select, regardless of ancestry and class, as long as they meet the prerequisites. You can select a feat with this trait when your class grants a general feat.
Skill: A general feat with the skill trait improves your skills and their actions or gives you new actions for a skill. A feat with this trait can be selected when a class grants a skill feat or general feat. Archetype feats with the skill trait can be selected in place of a skill feat if you have that archetype's dedication feat.