---
tag: PKG50NNK7S
kind: concept
name: Tour
sources:
  - wikipedia: en:325802@r1373839425
    locator: Glossary of graph theory, section T
    note: adopted
    mention: wikipedia://en/325802#2C38
    sections: [Summary]
inventory: [CE3MFTVTPA]
---

## Summary

A closed trail, a walk that starts and ends at the same vertex and has no repeated edges. Euler tours are tours that use all of the graph edges; see Eulerian.