Niinsoni Nature Reserve

{{Short description|Protected area in Estonia}}

{{Infobox protected area

| name = Niinsoni Nature Reserve

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| map =Estonia

| relief = yes

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| location = Estonia

| nearest_city = Aegviidu

| coordinates = {{Coord|59|19|45|N|25|33|50|E|region:EE_dim:2000|display=inline,title}}

| area = 111 ha

| established = 2000

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Niinsoni Nature Reserve is a nature reserve which is located in Harju County, Estonia.{{cite web |title=Niinsoni looduskaitseala kaitse alla võtmine ja Niinsoni looduskaitseala kaitse-eeskiri – Riigi Teataja |url=https://www.riigiteataja.ee/akt/13130299 |website=www.riigiteataja.ee |access-date=5 April 2021}}

The area of the nature reserve is 111 ha.{{cite web |title=Protected Planet {{!}} Niinsoni Looduskaitseala |url=https://www.protectedplanet.net/170587 |website=Protected Planet |access-date=2 April 2021}}

The protected area was founded in 2000 to protect valuable habitat types and threatened species in Anija Parish.