40.3368907°N 116.6725529°E 雁棲河是北京市懷柔區的一條河流，為懷河的支流。位於懷柔鎮王化村南。[1]
上游分東西兩支。東支長33.4公里，為幹流，發源於八道河鄉。西支長11公里，為長園河，源於蓮花池村。兩支在石梯子匯合後流經柏崖廠，於北台上水庫注入懷河。全長42.1公里，流域面積412平方公里。[2]在神堂峪流經長城口。[3]
參考資料
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