The Himalayan Fritillary is a butterfly species endemic to the high-altitude areas of Uttarakhand, particularly in the Kumaon region.

The Gwaldam Trek passes through the Trishul Range and connects the Garhwal and Kumaon regions, offering scenic views of the Trishul peaks.

The Mahakali River, also known as the Sharda River in India, forms a natural boundary between Uttarakhand and Nepal, separating the two countries.

Maharaja Narendra Shah was the ruler of Tehri Garhwal at the time of India's independence in 1947. He acceded to the Indian Union soon after independence.

Dehradun district is known for the highest production of Litchis in Uttarakhand, thanks to its favorable climatic conditions.

Roopkund Lake, also known as the Mystery Lake, is located at an altitude of about 4,000 meters, and is famous for the ancient human skeletons found at its bottom.

The Slender-billed Vulture is critically endangered and is found in parts of Uttarakhand, particularly in protected areas where vulture conservation efforts are ongoing.

The Battle of Gwaldam marked the decline of the Katyuri Dynasty, as they lost control of their territories to the Chand Dynasty, which later ruled Kumaon.

The Bagwal Fair is famous for its unique ritual where participants engage in a stone-pelting ceremony, seeking blessings from the local deity.

The National Mission on Medicinal Plants promotes the cultivation of medicinal plants like Chirayata and Kutki in Uttarakhand, due to its suitable climate and geography.

John Cracroft Wilson is credited with discovering Nainital in 1841 and helping establish it as a hill station and summer retreat for the British.

Naukuchiatal, meaning "Lake of Nine Corners," is the deepest natural lake in Uttarakhand, located in the Nainital district.

The Bhotiya community practices transhumance, which involves moving livestock seasonally between summer and winter pastures in the higher and lower Himalayas.

Apples are extensively cultivated in the higher altitudes of Uttarakhand, particularly in the Ramgarh and Mukteshwar areas, known for producing high-quality fruit.

Raja Rudra Chand, a ruler of the Chand Dynasty, is credited with the construction of the famous Golu Devta Temple in Almora, dedicated to the god of justice.

The Banj Oak (Quercus leucotrichophora) is a dominant species in the Himalayan region of Uttarakhand and plays a crucial role in soil conservation and maintaining local biodiversity.

The Garhwal region witnessed notable resistance during the 1857 uprising, with local leaders and soldiers rebelling against British rule, although the revolt was eventually suppressed.

Tarkashi is a traditional art form from Almora, where intricate silver filigree work is used in making decorative and utilitarian items like jewelry boxes.

The Parmar Dynasty ruled parts of Garhwal between the 9th and 12th centuries, before the rise of the Panwar rulers who later unified Garhwal.

Namik Glacier is located near the Dhauli Ganga River in the Kumaon region and is a significant source of glacial water for the surrounding areas.

The Kedarnath Wildlife Sanctuary primarily consists of coniferous forests, including species like pine, oak, and deodar, and is home to various wildlife species.

The Pandav Lila is a folk tradition of Uttarakhand, depicting episodes from the Mahabharata and often centered around the worship of Lord Shiva, to whom the Pandavas are said to have offered prayers.

The Greater Himalayas form the northern boundary of the Nanda Devi Biosphere Reserve, which includes peaks like Nanda Devi and Trishul.

The Haridwar Industrial Development Authority focuses on the Haridwar-Roorkee region, promoting industrial and infrastructural development to boost the economy.

King Pradyumna Shah of Garhwal led the resistance against the Gorkha invasion but was eventually defeated in battle. His defeat led to the brief Gorkha rule in Garhwal.

Bugyals are alpine meadows found at high altitudes in Uttarakhand, known for their lush grasslands and beautiful landscapes, such as Dayara Bugyal and Bedni Bugyal.

The Tehri Hydroelectric Project has a total installed capacity of 2,400 MW and is one of the largest hydroelectric projects in India, providing electricity to several northern states.

The Anglo-Nepalese War (1814–1816) led to the British acquiring Kumaon after defeating the Gorkhas. This region was ceded to the British under the Treaty of Sugauli.