Stump excursion is a phrase that describes a hiking or walking trip taken through a heavily forested area or one that contains a large number of tree stumps. There are many synonyms for this phrase that can be used to describe the same activity. Some other options include woodland trek, forest ramble, or timberland journey. Other potential synonyms for this phrase might include stump hike, nature walk, or outdoor exploration. Ultimately, the choice of which synonym to use will depend on the context of the activity being described and the tone that the writer wishes to convey.