Motorcycle Ride Planner · Great Britain

B3399 — Portsmouth to Southampton

Great Britain · measured from OpenStreetMap geometry

B3399 runs 12 miles between Portsmouth and Southampton. We counted 349 corners along it, which works out at 29.1 a mile — consistently twisty. It runs past the coast, mountain peaks, cliffs and a beach. That is about typical for Great Britain, where the median is 30 a mile.

Ridden together with B2146 it makes about 11 more miles of the same kind of road.

Plan a ride on it

Worth stopping for

• 0.6 mihistoricOld ROC Post
• 0.8 mihistoricSt Catherine's Oratory
• 0.9 mihistoricHoy Memorial
• 0.9 mihistoricSaltpot
• 1.0 miviewpointBlackgang Viewpoint
• 1.0 miattractionThe Animal Barn
• 1.1 mihistoricFort Redoubt
• 1.4 miattractionMottistone Down Lime Kiln
• 1.4 miattractionMottistone Manor
• 1.5 miattractionThe Longstone

Roads near here

• B214631 mi away · 345 corners

How we measured it

Corner counts come from the road's own geometry in OpenStreetMap, not from ratings or votes. Every bend above a threshold of curvature is counted once, so two roads can be compared directly. Nothing here is crowdsourced and nobody paid to appear.