Ask anybody in Georgia - what are the must have tourist sites to visit while in Tbilisi. Narikala fortress will be a top of the list.
And there is a good reason - an ancient fortress, featuring rich history, overlooking Tbilisi, with some really spectacular views towards Tbilisi Old Town.
Spectacular view to the Narikala Fortress
Above photo is shot from another monastery, located just opposite to Narikala fortress: See: Tabor monastery
Inside fortress complex there is located St. Nicholas Church
St. Nicholas Church inside Narikala fortress
There are many (at least three) options to get to Narikala - by Tbilisi Aerial tram, from Tbilisi Botanical garden or climbing up from Bath District (Abanotubani)
Tourist route to Narikala fortress from Abanotubani
You can get here by taxi as well.
View towards Tbilisi
Some really great views can be seen from here. Narikala is great for photography.
Ancient fortress walls
If you have been to Yerevean, Armenia - you might find some similarities with Erebuni fortress, thus Narikala will impress you more.
Hiking trails at Narikala
Some can take aerial tram to get up here from Rike park and then walk along impressive Narikala fortification wall.
Watch towers can be seen from Botanical garden side