Objectives: To determine the epidemiology of cutaneous leishmaniasis. Material and Methods: Personal interviews were done to 727 inhabitants of 140 houses in eight localities of Llaucano valley, Chota province, Cajamarca, searching for leishmaniasis cases. The risk factors were analyzed using odds ratio calculation, 95% confidence interval in each selected variable and Epi Info 2000 program. Results: Two hundred and six cutaneous leishmaniasis cases were diagnosed, 63 with active lesions and 143 with scars. Leishmaniasis was present in all age groups without sex differences, but children under 10 years old were more affected. High percentage of cases showed lesions in face and arms suggesting intra and peridomiciliary transmission at Llaucano valley. The risk factors for leishmaniasis transmission were identified as following: To have the house located in the rural area (OR=3,97, CI95% 1...