Police have issued a $300,000 reward for information on a Tsuen Wan murder in December 2004.

About 10.30am December 23, Police found a woman, aged 25 to 40, lying dead on a Tai Lam Country Park hillside. She was strangled between December 19 and 21.

She was about 1.56 metres tall with shoulder-length curly hair. She was wearing a round-necked pink jacket, pink blouse, blue jeans and red sports shoes. She was carrying no identity documents.

The reward is valid until January 16. Anyone with information should email or call Police on 2417 5351 or 2417 5363.