Modoc County, CA Elevation & Topographic Map

Topographic elevation map of Modoc County, California, shaded from 3,440 ft on the southwest side to 9,880 ft on Eagle Peak
Elevation
9,880 ft 3,010 m8,270 ft 2,520 m7,460 ft 2,275 m5,850 ft 1,785 m4,240 ft 1,295 m3,440 ft 1,050 m
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USGS 3DEP · U.S. Census Bureau
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How to use this mapviews, tools and data
Elevation
Ground colored by height from green (lowest) to white (highest), with contour lines every 40–500 ft (USGS data).
Satellite
A 2016 satellite photo at 33 ft (10 m) detail; contours off.
3D
Tilt and turn the terrain; hills are raised 1.5×, or set ×1 for true height.
Click or tap anywhere
The exact elevation of that spot in ft and m.
Measure
Pick two points for the climb, descent and grade along a straight line.
County area
Fades everything outside the official county boundary (US Census).

Elevation Data

Modoc County averages about 5,000 ft (1,525 m) above sea level across all its land. Its ground runs from 3,440 ft on the southwest side to 9,880 ft on Eagle Peak.

Average elevation
5,000 ft 1,525 m
all land inside the county
Highest
9,880 ft 3,010 m
on Eagle Peak
Lowest
3,440 ft 1,050 m
on the southwest side

Modoc County spans about 6,440 ft of height, so no single spot tells the whole story. The ruler shows where most of its land lies, and where the other numbers you'll see come from.

FigureElevation
Average of all land5,000 ft1,525 m
Highest point
Inside the county, on Eagle Peak (3DEP terrain model; no NGS survey height)
9,880 ft3,010 m
Lowest point
Inside the county, on the southwest side
3,440 ft1,050 m

Elevation profile, west to east

75 mi west to east through Alturas.

Topographic Map

Topographic elevation map of Modoc County, California, shaded from 3,440 ft on the southwest side to 9,880 ft on Eagle Peak
County boundary (dashed) over shaded terrain, with contours every 500 ft (152 m).
Location
County in California, United States
Population
8,491 2024 est.
Land area
3,948.2 sq mi + 255.0 sq mi water
Density
2.2 per sq mi
Time zone
Pacific UTC−8 / −7
Landform region
Basin and Range 97%
Drains to
Pacific Ocean 33%, Goose Lake basin (does not reach the sea) 21%, Tule Lake basin (does not reach the sea) 17%, Middle Alkali Lake basin (does not reach the sea) 13%, Closed basin (does not reach the sea) 13%
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Sources: U.S. Census Bureau, USGS

Nearby Places

Neighboring counties sharing a border, by average

  1. Washoe County, NV5,400 ft
  2. Lassen County5,390 ft
  3. Lake County, OR5,160 ft
  4. Modoc County5,000 ft
  5. Klamath County, OR4,970 ft
  6. Siskiyou County4,260 ft
  7. Shasta County3,060 ft

Rankings by average elevation

Peaks and hills highest inside

  • Eagle Peak9,880 ft
  • Warren Peak9,680 ft
  • Bald Mountain8,271 ft
  • Fox Mountain6,403 ft
  • Happy Camp Mountain6,072 ft
All 13 towns in Modoc County by typical elevation
  1. New Pine Creek4,840 ft
  2. Cedarville4,660 ft
  3. Eagleville4,630 ft
  4. Lake City4,610 ft
  5. Fort Bidwell4,600 ft
  6. Likely4,460 ft
  7. Daphnedale Park4,420 ft
  8. California Pines4,410 ft
  9. Alturas4,370 ft
  10. Canby4,320 ft
  11. Adin4,210 ft
  12. Lookout4,150 ft
  13. Newell4,050 ft
How we measure
  • Average: every USGS 3DEP bare-earth cell of land inside the Census county boundary (TIGER/Line, Jan 1 2026), weighted equally, on a 2 arc-second (≈200 ft, 62 m) grid, coarsened from 1 arc-second so the whole area fits one run. Land means the boundary minus Census area water (on this grid, water areas of at least half a cell).
  • Highest and lowest: the highest land cell, re-read at 1 arc-second around the 25 highest grid cells; it is a named summit, so its height is the peak method: the 3DEP top on a ~7 ft (2 m) window, or the NGS published height when a survey mark sits within 160 ft (50 m) of it. Lowest: the lowest land cell, re-read at 1 arc-second around the 25 lowest grid cells; coastal ground within 3 ft (1 m) of named tidal water counts as sea level.
  • Pits: the lowest point is the lowest ground outside closed hollows (quarry floors, mine pits, terrain-model artifacts): any hollow under 0.4 sq mi (1 km²), and any hollow under 2 sq mi (5 km²) whose floor is more than 100 ft (30 m) below its rim; and outside patches below sea level of under 0.4 sq mi (1 km²). The single lowest 3DEP cell, 3,440 ft at 41.1860° N, 121.3979° W, is in such a hollow or patch and is not counted.
  • Nearby Places: neighboring counties and rankings use each one's average elevation, on its own grid, the same figure its page shows. Peaks and hills: the highest summits inside the county with at least 980 ft (300 m) of prominence, then the highest federal (GNIS) summits inside it when there are fewer than 5; each is the 3DEP top on a ~7 ft (2 m) window, or the NGS published height when a usable survey mark sits within 160 ft (50 m) of it (shown as published).
  • Towns: each town's typical elevation (population-weighted median of its own 2020 blocks at 1 arc-second); a town is listed when any of its 2020 residents live in the county.
  • Rounding: computed heights are rounded to 10 ft (5 m), or to 1 ft (1 m) under 100 ft; 3DEP is good to about a meter, not a foot. Published figures (NGS survey heights) are shown as their publisher gives them.
  • Datum: North American Vertical Datum of 1988 (NAVD 88). NGS plans to replace NAVD 88 with a new datum (NAPGD2022); heights will then shift slightly.
  • Sources: USGS 3DEP, GNIS, Watershed Boundary Dataset and physiographic provinces; U.S. Census Bureau (TIGER boundaries and water, 2020 blocks, 2024 population estimates, county adjacency); NOAA NGS survey heights; BTS time zones. All public domain.