Depending on your nationality and passport origin you may need a visa for tourism. Let’s have a look:
Accordign to Colombian Authorities, travelers from the following countries DO NOT need a visa:
Nationals of the countries listed below do not require a TP-11, TP-12 and TP-13 Visa, to enter and stay temporarily in the national territory: Albania, Germany, Andorra, Antigua and Barbuda, Antigua República Yugoslavia and Macedonia, Argentina, Australia, Austria, Azerbaijan, Bahamas, Barbados, Belgium, Belize, Bolivia, Bosnia and Herzegovina, Brazil, Brunei Darussalam, Bulgaria, Bhutan, Canada, Czech (Republic), Chile, Cyprus, Korea (Republic of ), Costa Rica, Croatia, Denmark, Dominica, Ecuador, El Salvador, United Arab Emirates, Slovakia, Slovenia, Spain, United States of America, Estonia, Fiji, Philippines, Finland, France, Georgia, Grenada, Greece, Guatemala, Guyana , Honduras, Hungary, Indonesia, Ireland, Iceland, Marshall Islands, Solomon Islands, Israel, Italy, Jamaica, Japan, Kazakhstan, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Mexico, Micronesia, Moldova, Monaco, Montenegro, Norway, New Zealand, Netherlands, Palau, Panama, Papua New Guinea, Paraguay, Peru, Poland, Portugal, Qatar, United Kingdom of Great Britain and Northern Ireland, Dominican Republic, Romania, Russia (Federation of), Saint Kitts and Nevis, Samoa, San Marino, Santa Lucia, Holy See, Saint Vincent and the Grenadines, Serbia, Singapore, Sweden, Switzerland, Suriname, Trinidad and Tobago, Turkey, Uruguay, Venezuela.
Hong Kong passport holders – SARG China, passport holders of the Sovereign Military Order of Malta, passport holders of Taiwan-China, Nicaraguan nationals who prove to be natives of the North Caribbean Coast Autonomous Region and the Autonomous Region of the South Caribbean Coast.
Nationals of Cambodia, India, Nicaragua, Myanmar, People’s Republic of China, Thailand and Vietnam may enter Colombia and temporarily remain in the national territory without a visa and provided they accredit:
– To be holders of residence permit of a State of the Schengen Area or of the United States of America.
– To be holders of the Schengen visa or of the visa of the United States of America with a minimum validity of 180 days at the time of entry into the national territory.
– For Nicaraguan nationals, this permission also applies if they prove to be Canadian visa holders or have a Canadian residence permit.
Pasangers from these countries DO NEED a visa:
The following countries require a Visa to enter Colombian territory. These countries refer to nationalities for which consular offices should not request prior authorization from the Internal Visa Work Group in granting visas, does not refer to all nationalities that require a visa. Algeria, Armenia, Bahrain, Benin, Belarus, Botswana, Burkina Faso, Burundi, Cape Verde, Cameroon, Chad, Comoros, Congo, Ivory Coast, Egypt, Eritrea, Ethiopia, Gabon, Gambia, Ghana, Guinea, Guinea Bissau, Guinea Equatorial, Haiti, India, Kenya, Kyrgyzstan, Kiribati, Kosovo, Kuwait, Lesotho, Macedonia, Madagascar, Malaysia, Malawi, Maldives, Mali, Morocco, Mauritius, Mauritania, Moldova, Mongolia, Namibia, Nauru, Nepal, Nicaragua, Niger, Oman, Central African Republic, Rwanda, Sao Tome and Principe, Senegal, Seychelles, Swaziland, Thailand, Tanzania, Tajikistan, East Timor, Togo, Tonga, Tunisia, Turkmenistan, Tuvalu, Ukraine, Uzbekistan, Vanuatu, Vietnam, Zambia and Zimbabwe.
source: http://www.colombia.travel/es/informacion-practica/visas