The Tower itself feels kind of unfinished (it actually is), but the view is superb. It is a steep climb though.

Information
McCaig’s Tower
Battery Hill
Duncraggan Road
Oban
Argyll PA34 5DP
Scotland
https://en.wikipedia.org/wiki/McCaig%27s_Tower
https://www.visitscotland.com/info/see-do/mccaigs-tower-p255141

Visited June 2013. You can find my review about McCaig’s Tower also on TripAdvisor.