Whale Island is a mountain summit in the Tump islands English region in the county of Portsmouth, England. Whale Island is 11 metres high with a prominence of 11 metres. The summit can be identified by: no feature Additional Notes: All the walks up Whale Island on Mud and Routes can be seen above.
Portsea Island is a mountain summit in the Tump islands English region in the county of Portsmouth, England. Portsea Island is 8 metres high with a prominence of 8 metres. The summit can be identified by: Additional Notes: numerous alternative summits All the walks up Portsea Island on Mud and Routes can be seen above.
Horsea Island is a mountain summit in the Vale of White Horse to the Solent region in the county of Portsmouth, England. Horsea Island is 28 metres high with a prominence of 25 metres. The summit can be identified by: ground by landfill vent pipe Additional Notes: New SIB August 2016 – no longer an
