The train from Tbilisi and how the day is shaped
Most travellers reach Gori from Tbilisi on a marshrutka from Didube, but the train is calmer and drops you closer to the centre. Services leave Tbilisi's main station, Station Square, in the morning and take roughly an hour and a half to two hours depending on the service; some are slower electric trains stopping at Kaspi and Kareli. Buy a ticket at the counter on the day, arrive half an hour early, and check the return times before you leave the station, because the afternoon departures are limited and missing the last one leaves you on a marshrutka back.
Gori station sits on the southern edge of town, about a 15-minute walk or a short taxi ride to Stalin Square, the central roundabout where the museum, the tourist information office and most cafes cluster. The walk is flat and straightforward but unshaded in summer. Taxis waiting at the station will offer a fixed loop of the fortress and museum; agree the total price and the stops before you get in, since meters are rarely used and the fare is a negotiation.
Stalin Museum and the city's older layers
The Stalin Museum is the reason most people come, and it is a strange, worthwhile hour and a half. The neoclassical building on Stalin Avenue holds his birth house under a stone canopy, his personal railway carriage and rooms of photographs and gifts. Exhibits are labelled in Georgian and Russian with limited English, so either read up beforehand or take a guide at the desk. Allow 90 minutes, and note the museum is usually open daily with a modest entry fee; check current hours at the ticket window, as they shift by season.
Gori's older history is more rewarding than its Soviet one. The medieval fortress, Goristsikhe, sits on a rocky hill above the town, a 20-minute climb on foot or five minutes by taxi, with views across the plain to the Caucasus on clear days. Below it, the 12th-century Church of St Mary on the citadel mound and the small museum of local history round out a half-day. Skip the scattered Soviet monuments on the outskirts unless you have a specific interest; they take time and taxis to reach.
Uplistsikhe and the surrounding valley
The rock-hewn town of Uplistsikhe, 10 to 15 kilometres east of Gori, is the strongest reason to give the day more than a museum stop. Hewn into a sandstone ridge above the Mtkvari river, the complex of caves, halls and a basilica dates back to the early Iron Age. Allow two hours on site, wear shoes with grip, and carry water; there is little shade. A taxi from Gori takes about 20 minutes each way, and drivers usually wait; agree the round-trip price and the waiting time before setting off.
Combine Uplistsikhe with the Ateni Sioni church and the Ateni valley if you have a car or a hired driver, or with the museum in Gori if you are on foot and relying on taxis. Public transport to Uplistsikhe is irregular, so most visitors use a taxi or join a small group from Gori. In summer, start early to avoid the midday heat on the rock; in spring and autumn the site is comfortable and the surrounding vineyards are at their best.
When to go, where to stay and what to skip
May, June, September and early October are the best months: mild, green and dry enough for Uplistsikhe. July and August are hot, with temperatures often above 30°C and little shade on the rock. Winter is quiet and the museum is empty, but the fortress and cave town are cold and sometimes slippery. Gori works as a day trip, but if you want to combine it with Uplistsikhe, Ateni and the museum without rushing, one night in town is the sensible choice, and booking a hotel in Gori in advance is easier than assuming you will find a room on arrival.
Gori's hotel stock is modest: a handful of small guesthouses and mid-range hotels near Stalin Square and along Chavchavadze Street, plus a few newer places toward the station. Expect simple rooms, breakfast included, and prices well below Tbilisi. I would book a place within walking distance of the square, which puts the museum, cafes and taxis on your doorstep. Skip the roadside motels on the Tbilisi highway; they are convenient for drivers but not for a rail-and-walking day.