Grindstone Creek at Hidden Valley Park water level

Name: Grindstone Creek at Hidden Valley Park water level (Environment and Climate Change Canada – Water Survey of Canada)
Creator: Environment and Climate Change Canada – Water Survey of Canada
License: https://open.canada.ca/en/open-government-licence-canada

River gauge, Grindstone Creek, Ontario, Canada

Directions

High for mid-October

Water level

8.32m Steady over the last 24 hours

Measured Oct 19, 2026, 04:25 AM EDT (1 hour ago)

History

7 days 30 days 1 year Years compared

20252026

Water level Normal range (10–90 %)

What this means

The gauge at Grindstone Creek at Hidden Valley Park shows 8.32 m, above normal for mid-October.

That puts it 0.06 m above the median of 8.26 m for mid-October, based on 7 years of readings. A year ago it stood at 8.32 m as well.

The level has held steady over the past 24 hours. Over the past 30 days it has moved between 8.28 m and 8.60 m.

That stands out in fall, when many rivers are usually near their lowest.

Compared with 7 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date: 8.26 m0.06 m above the median for this date
Normal for this date: 8.21 m – 8.37 m8 years in 10 fall in this range (7 years of records)
Same day last year: 8.32 m0.00 m
Lowest and highest in 30 days: 8.28 m – 8.60 m
Lowest and highest in 12 months: 8.29 m – 8.62 m

Conditions at Grindstone Creek at Hidden Valley Park

Paddlers should check the trend as well as the level; summer storms can raise rivers quickly.

Flood advisories come from the provincial river forecast centre.

About Grindstone Creek

Grindstone Creek is a stream in the Unorganized North Part of Algoma District in Northeastern Ontario, Canada. It is in the Great Lakes Basin and is a left tributary of the Mississagi River.

Weather at the gauge

The forecast is not available right now.

Sunrise 07:39 AM Sunset 06:32 PM Daylight 10 hr, 53 min First quarter 58%

Map

Other gauges on Grindstone Creek

Gauge	Level	Compared with normal	24 hours	Distance
Grindstone Creek near MillgroveRiver gauge, Grindstone Creek	2.26 m	Normal	±0	7.7 km

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Spencer Creek at DundasRiver gauge, Spencer Creek	6.02 m	Normal	−0.01 m	9.3 km
Ancaster Creek at AncasterRiver gauge, Ancaster Creek	0.12 m	Low	±0	12 km
Bronte Creek at CarlisleRiver gauge, Bronte Creek	2.49 m	Normal	±0	14 km
Bronte Creek near ZimmermanRiver gauge, Bronte Creek	5.84 m	Normal	±0	15 km
Mountsberg Creek near CarlisleRiver gauge, Mountsberg Creek	2.69 m	High	±0	15 km
Spencer Creek at Highway No. 5River gauge, Spencer Creek	0.53 m	Normal	−0.01 m	16 km
Spencer Creek near WestoverRiver gauge, Spencer Creek	13.99 m	Very high	±0	18 km
Fourteen Mile Creek at OakvilleRiver gauge, Fourteen Mile Creek	1.27 m	Very low	−0.01 m	18 km

Questions and answers

How does Grindstone Creek at Hidden Valley Park compare with last year?

It is about the same as on this day last year, when the reading was 8.32 m.

What is a normal level for Grindstone Creek at Hidden Valley Park in mid-October?

The median for mid-October is 8.26 m. In 8 years out of 10 the reading falls between 8.21 m and 8.37 m, based on 7 years of records.

Is the river level the same as the depth of the water?

No. The reading is measured from a fixed zero mark at the gauge, so 8.32 m on the gauge does not mean the water is that deep.

What is the water level of Grindstone Creek at Hidden Valley Park today?

On Oct 19, 2026, 04:25 AM EDT, the water level was 8.32 m. Steady over the last 24 hours.

Is Grindstone Creek at Hidden Valley Park rising or falling?

Steady over the last 24 hours. Down 0.05 m over the last 7 days.

Is the level of Grindstone Creek at Hidden Valley Park normal?

High for mid-October. Compared with 7 years of daily readings for this time of year.

How often is this data updated?

Environment and Climate Change Canada – Water Survey of Canada publishes a new reading every hour. This page refreshes within minutes of each update.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: Environment and Climate Change Canada – Water Survey of Canada
Station code: eccc:02HB034 (Agency page)
Coordinates: 43.30595, -79.86319 (WGS84)
Vertical datum: station datum (assumed datum)
Update interval: every hour
Licence: Open Government Licence – Canada. Contains information licensed under the Open Government Licence – Canada

Published series

Parameter	Last value	Time (UTC)	Quality
Water level	8.32 m	2026-10-19 08:25	Provisional

Download

Embed this gauge

Add a live card for this gauge to your website. It updates on its own and links back here.

<iframe src="https://nivelmap.com/embed/19786?lang=en" width="360" height="230" style="border:0;max-width:100%" loading="lazy" title="Grindstone Creek at Hidden Valley Park water level"></iframe>

How to cite

Environment and Climate Change Canada – Water Survey of Canada: Grindstone Creek at Hidden Valley Park (eccc:02HB034). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/canada/ontario/grindstone-creek-at-hidden-valley-park

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer