This handbook provides clear instructions and advice on how to undertake a study to estimate the economic value of tourism to national parks, using the ‘spending by tourists’ approach. The handbook is aimed at developing regional or state/territory level estimates of spending by tourists who visit national parks, and interpreting these in ways relevant to decision makers. The handbook describes the methodology so that studies can be replicated in a consistent manner across regions and states and territories and across time. The handbook includes a step-by-step guide to survey design, conduct and analysis to derive measures of spending by tourists. It also includes a guide to deriving measures of economic contribution where appropriate economic models with tourism sectors are available. It includes recommendations on interpreting results to stakeholders.