Hydro, Ontario

{{Use Canadian English|date=January 2023}}

{{Infobox settlement

| name = Hydro

| native_name =

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| settlement_type =

| image_skyline =

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| subdivision_type = Country

| subdivision_name = Canada

| subdivision_type1 = Province

| subdivision_name1 = Ontario

| subdivision_type2 = Region

| subdivision_name2 = Northeastern Ontario

| subdivision_type3 = District

| subdivision_name3 = Nipissing

| subdivision_type4 = Part

| subdivision_name4 = Nipissing, Unorganized South

| image_map =

| map_caption =

| pushpin_map = Ontario

| pushpin_relief =

| pushpin_map_caption = Location of Hydro in Ontario

| coordinates = {{coord|45|54|05|N|77|53|11|W|display=inline,title}}

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| elevation_footnotes =

| elevation_m = 226

| elevation_ft =

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| population_density_km2 = auto

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| timezone1 = Eastern Time Zone

| utc_offset1 = -5

| timezone1_DST = Eastern Time Zone

| utc_offset1_DST = -4

| postal_code_type = Postal code FSA

| postal_code = K0J

| area_code_type =

| area_codes = 705, 249

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}}

Hydro is an unincorporated place and former railway point in geographic Barron Township in the Unorganized South Part of Nipissing District in northeastern Ontario, Canada.{{cite cgndb|id= FBPTY|title= Hydro|accessdate= 2011-08-10}} Hydro is located within Algonquin Provincial Park on Grand Lake on the Barron River.

The railway point lies on the now abandoned Canadian National Railway Beachburg Subdivision, a section of track that was originally constructed as the Canadian Northern Railway main line, between Brawny to the west and Achray to the east, at a point where a still-operational Hydro One transmission line crossed the line.