What is the participle phrase in ..The winding road led to a large house on hill.?

The participle phrase in the sentence "The winding road led to a large house on a hill" is "winding".

Here's why:

* Participle: A participle is a verb form that acts as an adjective.

* Participle Phrase: A participle phrase is a group of words that includes a participle and its modifiers. It functions as an adjective, modifying a noun or pronoun.

In this sentence, "winding" modifies the noun "road". It describes the nature of the road.