Hello Boris; any age is suitable for learning the harp, from early childhood through senior citizen, if it is for a hobby and your own enjoyment. If you want to be a professional it’s best to begin any instrument before puberty, when the body starts to toughen. Flexibility of the finger muscles is so important on the harp.To become skilled on it depends on
Diego, if you are near San Jose, in Costa Rica, an excellent harpist there is Jonathan Cascante. You can e-mail me for his e-mail address. and perhaps you could study with him.