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The site is part of the broader Green Mountain National Forest recreation network near Killington. This guide does not replace official trail or access notices.

Thundering Brook is a mountain stream with quick changes after rain. The boardwalk keeps feet out of sensitive bank soils.

Killington sits in the central Green Mountains; this trailhead is a short drive from the Route 100 corridor.

Songbirds and common forest species are typical. Keep food packed away and noise moderate.

Wet woods, brookside moss, and thin soils—staying on the walkway matters for plant survival next to the channel.

Do not shortcut off the boardwalk, do not swim here, and pack out all trash. Small sites degrade fast when use spreads into the brook.

Busy weekends mean full parking; have a backup plan and avoid blocking roads.

• Coordinates target the trailhead parking.
• No swimming—viewing from the walkway only.
• Accessible boardwalk does not remove slip risk when wet.