From Bogotá : You can take a bus (10 hours - 520 km), the way through Neiva is safe and there are beautiful sights on the way, like the Tatacoa Desert or the Magdalena River, the most important of Colombia.
From Popayan : There are several direct buses, it's a long 7 hours bus trip on 135 km of unpaved road (18.000 COP).
From Tierradentro: Take the jeep leaving San Andres at 6.30 a.m. or 8.00 a.m. to La Plata (1,5h 10.000 COP). From there you can take a minivan to Pitalito at 9.00 a.m. or 12.00 a.m. (3h, 18.000 COP). From the bus terminal in Pitalito are regularly leaving shared taxis to San Agustin (45min, 5.000 COP).
If you go to Tierradentro take a bus to Pitalito. From there you have to take a bus to La Plata either at 6 a.m. or 10 a.m. From there you can make connections to Tierradentro.
There different archaeological sites are scattered over a large area. If you have the time walking is the best option, the scenery on the way is amazing and some of the local transportation can help you on your way. It is also possible to rent horses. Several agents run jeep tours to some of the more remote sites.
Parque Arqueologico (open 8AM-4PM everyday, entrance COP$10.000) is San Agustin's main attraction. It features several ancient burial sites, a lot of statues and a small museum. It's 3 km west of San Agustin and can be reached by frequent minibusses.
Alto de los Idoles (open 8AM-4PM everyday, entrance COP$4.000) if far less visited, a bit smaller, but equally impressive as the archaeological park. The views from the park amazing. There is no transportation to and from San Agustin, only to San Jose de Isnos.
Within easy walking distance are the four small sites El Tablon, with several statues; La Chaquira, carved rocks dramatically set overlooking the valley of the Rio Magdalena; La Pelota, with some coloured statues in excellent state and El Purutal. These can easily be visited in one day walking.
Far north of San Agustin is Obando a small sites with some underground tombs and a tiny museum with some of the excavated pottery. There are carros going to and from San Agustin to Obando.
Other archaeological sites are Alto de Las Piedras, Alto de las Guacas, Alto del Mortiño o del Tigre, Granada, El Jabón, Lavaderos o Naranjos and La Parada.
Besides the archaeological sites there is some beautiful nature to visit.
El Estrecho is the place where the Rio Magdalena is at its narrowest.
Salto de Bordones and Salto del Mortiño are two waterfalls.
Take a carro to Obando and walk the beautiful way back to San Agustín and visit El Estrecho on the way. It's about five hours walking.
Walk to Alto de los Idolos and back. Leave early because it is a long walk. You can visit Granada on the way and if you have some energy left take the detour to Alto de las Guacas and Alto del Moriño o del Tigre.
Horse riding. Many of the hostels can arrange riding trips to the archaeological sites and the surrounding countryside.Around 25,000 COP for 5 hour trip. edit
Jeep tour. To visit the more remote sights in one day, you can take a jeep tour. Usual circuits allow you to see statues at Alto de los Idolos, waterfalls at Salto Bordones and Alto del Mortiño, Tombs and museum in Obando and the estrecho del Magdalena.Around 30,000 COP for 7-8 hour trip. edit
There are ATMs in San Agustín, buy they are not very reliable and are out of cash at the end of long week ends. To get money you may have to go to Pitalito. Bring your passport or you might end up in the DAS office in Pitalito.
The only ATM in town does give cash advance on VISA credit cards.
This region is rich in coffee, drink very common in the rural community, as well as drinks and chicha guarapo alcoholic beverages that are used by the aboriginals ansestros and even today are consumed by local residents.
Finca El Maco, (On the way to the park, take the track going up the hill right after the restaurant Donde Richard. On your right after the steep climb.), ☎ 311 271 4802 (firstname.lastname@example.org), . Run by an extremely friendly Swiss (Rene) and his wife (Paloma), Finca el Maco is a little piece of paradise located about 1 km out of the town. Dorm beds and private rooms are available and there is also a restaurant and bar which serves incredible meals. dorm : 16,000 COP. edit
La Casa de Francois, (Beautifully set in the countryside, a short walk from downtown), . Beautiful views, exquisite breakfasts and dinners prepared by request. Both dorm and private rooms available. Excellent backpacker hangout with all of the amenities.Dorm : 15,000 COP / Double : 35,000 COP. edit
Finca El Cielo, Vía Estrecho km 3, ☎ +57 313 49 37 446, . checkin: 24 hours. Very beautiful farm hotel 3 km of San Agustin near to fascinating archeological sites. Owned by a Swiss (Dominique) and run by a friendly Colombian (Alirio). Beautiful view over the Magdalena canyon. Ample and very comfortable rooms with modern bathrooms. Swimming pond. Camping. Tours. Restaurant. Bar. Shop.50,000 COP. edit
Hostal Alto de los Andaquíes, . Rustic coffee farm, with the best viewpoint of the village and its surroundings, comfortable rooms with private bathroom, hot water, television, restaurant, surrounded by beautiful gardens and nature.edit
Hotel Cambi, Cra 13 No. 3-36 (5 min walk from center of town), ☎ 8373357, . None of the hotels in town even approach mid-range quality, but this is a friendly, basic, clean place that is also very inexpensive.edit
Hostals and Camping Gamcelat, Vía al Parque Arqueológico San Agustín, Huila (5 minutes from centre towards Archeological Park), ☎ 837-36-49/ gsm:313-245-83-73 (email@example.com), . Gamcelat is a family run hostal/organic farm. It is a natural place where you can relax in hammocks, be part of the daily work of the field, use one of the prepared tours and explore the incredible archeological sites that the surrounding area has to offer.edit