Background: Tobacco consumption is a major health menace owing to its widespread use particularly among adolescents. The objective was to find out prevalence and awareness regarding impact of smoking on health among adolescents.

Methods: Descriptive, cross sectional research design was used. A total of 160 adolescents were selected by non–probability, purposive sampling technique from Besishahar VDC –1 and –4, Besisahar, Lamjung from 29 September to 8 October, 2013.

Results: Prevalence of smoking among adolescents was found in 12.5%. Nearly half (48.8%) adolescents had good level of awareness regarding smoking and its impact among adolescents. Level of awareness regarding smoking and its impact of smoking is not significantly associated with age of the adolescents, sex, education, type of family, smoking by members of the family and smoked cigarette/local pipes/cigar.

Conclusion: Less than one fourth of adolescents smoked. Nearly half of adolescents had good level of awareness regarding smoking and its impact. Greater enforcement of existing policies need to be implement to prevent adolescents’ prevalence of smoking as well as to reduce morbidity and mortality regarding smoking