A canal passes right through the park, so you can reach La Villette byaboat from central Paris (a three-hour trip; see page 26).
Travel from Paris to La Villette is only possible by car or bus. 
mnli hypothesis: Travel from Paris to La Villette is only possible by car or bus.  premise: A canal passes right through the park, so you can reach La Villette byaboat from central Paris (a three-hour trip; see page 26).