Also on the map ofKanto Mountains

Mount Tō · 1,491 m · 6.3 km WNW

Mountain · Tanzawa Mountains · Kanagawa Prefecture

Mount Ōyama

1,252 m4,108 ft

Prominence: 494 m1,621 ft
Isolation: 4.8 km
Tonight: 11°CCloudy · Wind 16 km/h W

Mount Ōyama is a 1,252 m (4,108 ft) mountain in the Tanzawa Mountains, Kanagawa Prefecture, Japan.

All facts

Elevation: 1,252 m · 4,108 ft
Nearest higher peak: Mount Shindainichi (1,340 m)
Range: Tanzawa Mountains
Region: Kanagawa Prefecture, Japan
Protected area: Tanzawa-Ōyama Quasi-National Park
Coordinates: 35.4407° N, 139.2312° E

Open the 3D view

3D map

Mount Ōyama 3D map

Drag to orbit · click, then scroll to zoom (or Ctrl/⌘ + scroll) · One finger scrolls the page · two fingers orbit and zoom · 6 × 6 km

Surface

Vertical scale

Topographic map

Mount Ōyama terrain and contours

50 m contours from the Copernicus GLO-30 terrain model. Click two points on the map to draw your own cross-section.Tap two points on the map to draw your own cross-section.

Index contours every 250 mShowing west → east through the summit

Mount Ōyama elevation profile

West → east through the summit

Hover the profile to read elevation and distance.Tap or drag along the profile to read elevation and distance.

Weather

Mount Ōyama weather

Today · Heavy rain · 11 / 13°C (52 / 55°F) · 8.0 mm · Wind 16 km/h W

Mount Ōyama forecast for the summit, about 1,252 m. Summit vs base: the Base line is for about 166 m.

Today11°13°8.0 mm16 km/h WBase 18 / 19°
Sun11°18°18.4 mm20 km/h SWBase 18 / 24°
Mon10°13°30.7 mm15 km/h NBase 17 / 19°
Tue9°15°4.8 mm8 km/h SEBase 15 / 22°
Wed4°10°1.4 mm7 km/h EBase 11 / 17°
Thu5°7°0.8 mm3 km/h NEBase 12 / 14°
Fri6°12°–5 km/h NWBase 12 / 18°
Sat7°15°0.1 mm3 km/h SBase 14 / 22°
Sun5°9°–7 km/h SEBase 11 / 15°
Mon7°10°–5 km/h SBase 14 / 16°

Forecast data: MET Norway, CC BY 4.0; daily low and high, precipitation total and strongest wind from the hourly data, model run Oct 24, 01:17 UTC.

Slope

Share of the 6 × 6 km view by steepness, from the 30 m model.

Mostly steep: more than half the view is steeper than 30°, the angle of most avalanche terrain.

Gentle, 0–15°

6.9%

Moderate, 15–30°

39.1%

Steep, 30–45°

53.4%

Cliffs, 45° and over

0.6%

Steeper than 30°: 54.0% of the 36 km² view
Relief in view: 1,087 m low point 166 m

Land cover

ESA WorldCover 10 m classification of the same area.

Trees 99.4%

Snow & ice means glaciers and year-round snow (a yearly average), not today’s snow cover.

Nearby summits

Named peaks within 3 km, measured from the Mount Ōyama summit.

Summit list 4

1Mount Harutake949 m 1.1 km WSW
2Нисидзава-но Атама1,094 m 1.2 km NNW
3Mount Dakenodai899 m 2.3 km SW
4三峰山935 m 2.9 km NNE

Where it sits

Where Mount Ōyama sits

Nearby

Nearby places

More 1

Lake Yamanaka982 m32 km W

Mount Ōyama downloads: topographic map, heightmap, STL 3D model and DEM

Free files made in your browser from this page's terrain data. No sign-up; credit the sources below.

Print & wall

JPGMount Ōyama satellite image (JPEG)Sentinel-2 true-colour image of the same area, taken 2025-09-08.

3D printing & 3D apps

GIS & GPS

</>Embed this mapPaste this into your site to show the interactive 3D terrain, with a credit link back here.

<iframe src="https://topolu.com/embed/mount-oyama" width="100%" height="480" style="border:0" loading="lazy" allowfullscreen title="3D terrain of Mount Ōyama"></iframe>
<p><a href="https://topolu.com/mount-oyama" rel="nofollow">Topolu</a></p>

Free to use with credit: see the data sources

Accuracy

How accurate is this?

within 10 m This 3D map reads 1,253 m at the summit; the official height is 1,252 m.

A 30 m terrain model averages each cell, so a few metres either way is normal.

Source	Summit	Difference
Official height (Wikidata)	1,252 m	—
Copernicus GLO-30 (used on this page)	1,253 m	+1 m
Copernicus GLO-90	1,245 m	-7 m

Data sources

Terrain: Produced using Copernicus WorldDEM-30 © DLR e.V. 2010-2014 and © Airbus Defence and Space GmbH 2014-2018 provided under COPERNICUS by the European Union and ESA; all rights reserved. The European Union, ESA, DLR and Airbus incur no liability for any use of this data and do not endorse this service.
Imagery: Contains modified Copernicus Sentinel data 2025 (scene 2025-09-08)
Land cover: © ESA WorldCover project 2021 / Contains modified Copernicus Sentinel data (2021) processed by ESA WorldCover consortium
Facts: Wikidata (CC0)
Accuracy comparison, Panorama: Includes Copernicus WorldDEM-90 © DLR e.V. 2010-2014 and © Airbus Defence and Space GmbH 2014-2018 provided under COPERNICUS by the European Union and ESA; all rights reserved. The European Union, ESA, DLR and Airbus incur no liability for any use of this data and do not endorse this service.
Forecast: Weather forecast from MET Norway (CC BY 4.0)
Sources: Wikidata · OpenStreetMap · GeoNames · Wikipedia