A visa is required to enter Liberia for all legible citizens and visas need to be secured before traveling to the country. It is recommended you submit your application about 10 days before departure, but next-day and same-day service is available for an extra fee.

A tourist visa for Liberia lasts up to 90 days, with the ability to renew up to a year with corresponding documents showing reason of stay, place of stay and sufficient funds.

For more inquires :

https://www.dominionventuresliberia.store/2022/09/exploring-liberia-prerequisites.html

I do not think this information is for Nigerians. What I know is that Liberia is ECOWAS and as an ECOWAS citizen you do not need a visa

Going to Liberia to.do what ?, you want Nigerians to go and further tarnish the image of Nigeria,

U don't need a visa to Liberia, if ur not flying u take Ghana bus on reaching ghana, enter another bus going to Abidjan, from Abidjan enter bus to Monrovia capital of Liberia...