Lightwater Valley returned to profit in the year ending 31 January 2015, following several years of consecutive losses.
The North Yorkshire theme park recorded a pre-tax profit of £110,000 as a result of the 2014 season, following £168,000 losses in the previous year.
Company accounts show that turnover at the North Yorkshire theme park increased by almost 8%, to £6.28 million.
The return to profit follows a number of years of loss-making at the park, which is operated by Heritage Great Britain.
The years to 31 January 2012 and 2013 saw losses of £55,000 and £500,000 respectively.