This dataset provides detailed information on the conservation reserves in Himachal Pradesh, designed to preserve the state's rich biodiversity and natural habitats. It includes data on the location, size, and year of notification for each reserve, offering insights into the progression of conservation efforts over time. The dataset highlights the distribution of reserves across various districts, showcasing regional conservation initiatives and the commitment of different areas to biodiversity preservation. Additionally, it enables size comparisons among reserves to identify the largest and smallest protected areas. This package is an invaluable resource for environmental researchers, policymakers, and conservationists, aiding in the development of targeted strategies for habitat preservation, biodiversity enhancement, and sustainable environmental management in Himachal Pradesh.