The best Mountain Bike Tours in Portsmouth according to Viator travellers are:
- Public | Experience Fall on an Islands & Harbor Bike Tour | 2-Hr.
- Public | Self-Guided 21-Speed Hybrid Rental Portsmouth NH | 3-hrs
- Public | Historic Neighborhoods Bike Tour | Hidden Sites | 90-Min
- VIP Private Bike Tour Experience-Explore the Islands & Coast 2hrs
- Nature and Wildlife Bike Tour UNplug and UNwind in Nature | 2hr