Lac Long
45.6781° N, 76.3467° W
Lac Long, Quebec. 45.6781° N, 76.3467° W
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/qc/lac-long-near-arnprior/, compiled October 9, 2026
- Canadian Geographical Names Database, Natural Resources Canada. Contains information licensed under the Open Government Licence – Canada.
- HydroLAKES v1.0, Messager et al. 2016 / WWF HydroSHEDS. Licensed under CC BY 4.0.
- Census boundaries and population, 2021, Statistics Canada. Adapted from Statistics Canada. This does not constitute an endorsement by Statistics Canada.
- États trophiques des lacs (RSVL), Ministère de l’Environnement, de la Lutte contre les changements climatiques, de la Faune et des Parcs. Licensed under CC BY 4.0. Source: Ministère de l’Environnement, de la Lutte contre les changements climatiques, de la Faune et des Parcs (MELCCFP), Données Québec.
- City page weather forecasts and alerts, Environment and Climate Change Canada. Contains data from Environment and Climate Change Canada (ECCC Data Servers End-use Licence).
- Air Quality Health Index observations and forecasts, Environment and Climate Change Canada. Contains data from Environment and Climate Change Canada (ECCC Data Servers End-use Licence).
Lac Long covers 0.28 km², Quebec. It lies 27 km north of Arnprior.
- Area
- 0.28 km²
- Shoreline
- 3.5 km
- Elevation
- 189 m
Today on the water
Wind from the northwest: the northwest shore is the sheltered side.
| Time | 12 p.m. | 3 p.m. | 6 p.m. | 9 p.m. | 12 a.m. | 3 a.m. | 6 a.m. | 9 a.m. |
|---|---|---|---|---|---|---|---|---|
| Wind km/h | NW 30 | NW 30 | NW 15 | var. 5 | var. 5 | var. 5 | var. 5 | var. 5 |
| Gusts km/h | 50 | 50 | ||||||
| Temp. °C | 10 | 12 | 11 | 7 | 3 | 1 | 0 | 3 |
| Precip. % | 40 | 20 | 20 | 0 | 0 | 0 | 0 | 0 |
Today: A mix of sun and cloud. 40 percent chance of showers early this afternoon. Wind northwest 30 km/h gusting to 50. High 13. UV index 3 or moderate.
Weather: Renfrew (local forecast), as of 11:05 a.m. EDT
Sun and moon
- Civil dawn
- 6:44 a.m.
- Sunrise
- 7:14 a.m.
- Sunset
- 6:30 p.m.
- Civil dusk
- 7:00 p.m.
- Moonrise
- 6:05 a.m.
- Moonset
- 5:48 p.m.
- Moon
- Waning crescent, 1% lit
Water
Trophic status from the latest monitoring: ultra-oligotrophic.