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Ontario County High Points

RankCountyPeak Elev-M Range (Level 4)Ascents
1.Sudbury DistrictIshpatina Ridge693Northern Ontario47
2.TorontoToronto High Point212Southern Ontario28
3.ManitoulinCup and Saucer352Southern Ontario25
4.NiagaraNiagara High Point259Southern Ontario20
5.Prescott and RussellVankleek Hill123Southern Ontario19
6.HaltonHalton High Point414Southern Ontario15
7.SimcoeNiagara Escarpment High Point544Southern Ontario14
8.YorkYork High Point379Southern Ontario13
8.Prince EdwardEast Picton Bay Hill155Southern Ontario13
10.GreyGrey County High Point544Southern Ontario12
10.OxfordOxford County High Point391Southern Ontario12
12.DufferinDufferin County High Point542Southern Ontario11
12.RenfrewRyans Mountain523Southern Ontario11
12.MiddlesexMiddlesex County High Point342Southern Ontario11
15.WellingtonLuther Benchmark511Southern Ontario10
15.DurhamDurham High Point410Southern Ontario10
15.BrantfordBrantford High Point267Southern Ontario10
15.OttawaOttawa High Point166Southern Ontario10
19.Kawartha LakesKawartha Lakes High Point397Southern Ontario9
19.LambtonLambton County High Point264Southern Ontario9
21.NipissingSouthern Ontario High Point578Southern Ontario8
21.CochraneGhost Range Peak488Northern Ontario8
21.WaterlooWaterloo High Point438Southern Ontario8
21.PerthPerth County High Point427Southern Ontario8
21.LanarkWhite Mountain386Southern Ontario8
21.Stormont, Dundas and GlengarryStormont-Dundas-Glengarry High Point125Southern Ontario8
27.HaliburtonManitou Mountain563Southern Ontario7
27.MuskokaMuskoka High Point542Southern Ontario7
27.FrontenacEvergreen Mountain417Southern Ontario7
27.NorthumberlandNorthumberland County High Point356Southern Ontario7
27.Leeds and GrenvilleLeeds and Grenville High Point212Southern Ontario7
32.Thunder BayTower Mountain679Northern Ontario6
32.TimiskamingIshpatina Ridge North677Northern Ontario6
32.Sudbury CityWolf Lake Mountain504Northern Ontario6
32.PeelPeel High Point494Southern Ontario6
32.PeterboroughPeterborough County High Point434Southern Ontario6
32.BruceBruce County High Point403Southern Ontario6
32.HamiltonHamilton High Point330Southern Ontario6
32.ElginElgin County High Point296Southern Ontario6
32.Chatham-KentChatham-Kent High Point233Southern Ontario6
41.AlgomaOgidaki Mountain665Northern Ontario5
41.HastingsHastings County High Point542Southern Ontario5
41.Parry SoundParry Sound High Point532Southern Ontario5
41.Lennox and AddingtonMoger Pond Peak501Southern Ontario5
41.HuronHuron County High Point397Southern Ontario5
41.NorfolkNorfolk County High Point278Southern Ontario5
41.HaldimandHaldimand County High Point231Southern Ontario5
48.BrantBrant County High Point327Southern Ontario4
48.EssexEssex County High Point228Southern Ontario4
50.KenoraKenora District High Point559Northern Ontario3
51.Rainy RiverRainy River District High Point544Northern Ontario2

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List Description

Ontario is administratively divided into 51 units that are a mixture of counties, unified counties, regional municipalities, districts, cities, and municipalities. Most of them were historically counties at one point, and despite changes in name or status, the boundaries have remained mostly stable over the years.

These units also correspond to the Canadian Census Divisions for the most part. Since the last revision of Census Divisions in 2001, the combined county of Haldimand-Norfolk split into Haldimand County and Norfolk County, and the City of Brantford separated from Brant County. That is why there are 51 entiries on this list, while the Census lists only 49 Divisions.

Sources

The main source for the Ontario county high point list was the excellent Ontario Basic Mapping database system created by the provincial government, which is a huge improvement over the old NTS 1:50,000 map sheets. To help generate this list, all the spot elevations (over 500,000 of them) in the OBM data were downloaded, matched to their county by a point-in-polygon operation, and the highest spot elevations picked out. Sometimes there was a swarm of spot elevations of the same height in the same general location, and one represenative point was picked. In other cases, separate areas were logged (see, for example, Chatham-Kent). Also, some OBM spot elevations were clearly erroneous outliers and had to be discarded. In general, though, a 1-meter difference in spot elevations was considered significant, and these lower points were not considered high-point candidates.

Once a set of county high points was generated, they were cross-checked with the 1:50,000 NTS maps, and some were adjusted a little bit based on information there. The result should be a reasonably accurate guide to the highest ground in the counties. Before tackling any county, though, be sure to check the OBM and NTS maps yourself to familiarlize yourself with the area. You may have to check out several nearby areas to be sure of locating the highest piece of earth, an occupational hazard of highpointers in relatively flat terrain like Ontario.

Links

     Ontario Basic Mapping

 


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