Castle Peak may refer to:
Mountains
Castle Peak (Alaska), Wrangell Mountains
Castle Peak (California), Sierra Nevada range
Castle Peak (Colorado), Elk Mountains
Castle Peak (Sawatch Range), Sawatch Range, Colorado
Castle Peak (Idaho), White Cloud Mountains, Idaho
Castle Peak (Texas) Castle Peak (Washington), North Cascades Castle Peak (Hong Kong) (, sometimes transliterated Tsing Shan), a mountain in the western New Territories of Hong Kong Castle Peak Bay (青山灣), a bay outside Tuen Mun, near Castle Peak, Hong Kong Castle Peak Beach (青山灣泳灘), a gazetted beach in Tuen Mun, Hong Kong Castle Peak Hospital (青山醫院), a psychiatric hospital in Hong Kong, to the east of Castle Peak at Tuen Mun Castle Peak Road (青山道 and 青山公路), a road in Hong Kong running north from Kowloon Tsing Shan Monastery (青山禪院), a monastery at the foot of Castle Peak, Hong Kong Castle Peak (Antarctica)