Twain, CA Elevation & Topographic Map

Elevation
4,910 ft 1,495 m4,370 ft 1,330 m4,100 ft 1,250 m3,560 ft 1,085 m3,020 ft 920 m2,750 ft 840 m
Contours every 100 ft, bold every 500 ft
USGS 3DEP · U.S. Census Bureau
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.
- Area
- Fades everything outside the official CDP boundary (US Census).
Elevation Data
Twain sits at about 2,790 ft (850 m) above sea level, worked out from 2020 Census block heights on USGS 3DEP, weighted by residents.
Typical elevation
2,790 ft 850 m
most residents: 2,790–2,830 ft
Lowest
2,750 ft 840 m
near the middle
Highest
4,910 ft 1,495 m
on the northeast edge, below higher ground just outside
Average
3,830 ft 1,165 m
all land inside the CDP boundary
Twain spans about 2,160 ft of height, so no single spot tells the whole story. The ruler shows where its people live, and where the other numbers you'll see come from.
| Figure | Elevation |
|---|---|
| Typical Where people live: half of residents higher, half lower | 2,790 ft850 m |
| Highest point Inside the CDP boundary, on the northeast edge, below higher ground just outside | 4,910 ft1,495 m |
| Lowest point Inside the CDP boundary, near the middle | 2,750 ft840 m |
| Town center USGS map point for Twain | 2,860 ft870 m |
| Airport (2O1) FAA airport elevation, the highest point of its runways, 6.8 mi southeast of the CDP boundary | 3,419 ft1,042 m |
| Average of all land | 3,830 ft1,165 m |
| Nearest peak Rush Creek Hill, 3.2 mi northwest of the CDP boundary | 6,350 ft1,935 m |
Elevation profile, south to north
1.2 mi south to north through the town center.
Topographic Map
- Location
- Unincorporated community (census-designated place) in Plumas County, California, United States
- Population
- 75 2020 Census
- Land area
- 7.2 sq mi
- Density
- 10 per sq mi
- Coordinates
- 40.0202° N, 121.0719° W
- Time zone
- Pacific UTC−8 / −7
- Landform region
- Cascade-sierra Mountains
- Drains to
- North Fork Feather River → Feather River → Sacramento River → Pacific Ocean
- Airport
- Gansner Field (2O1) 3,419 ft
- ZIP codes 1
- 95984
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Sources: U.S. Census Bureau, USGS, FAA
Nearby Places
Nearby towns by typical elevation
- Canyondam4,590 ft
- Crescent Mills4,050 ft
- Meadow Valley3,750 ft
- Greenville3,600 ft
- Quincy3,430 ft
- Indian Falls3,360 ft
- Keddie3,180 ft
- Caribou3,030 ft
- Paxton2,910 ft
- Twain2,790 ft
- Belden2,300 ft
Rankings by typical elevation
- Towns in California280th highest of 1,622
- Towns in Plumas County45th highest of 46
Peaks and hills nearest, by height
- Mount Hough7,235 ft
- Bald Eagle Mountain7,186 ft
- Red Hill6,352 ft
- Rush Creek Hill6,350 ft
- Rattlesnake Hill6,340 ft
How we measure
- Typical elevation: the population-weighted median: every 2020 Census block inside the CDP boundary, at its USGS 3DEP height, weighted by the people who live there. Half of residents live higher, half lower.
- Lowest, highest, average: USGS 3DEP bare-earth heights on a 1 arc-second (≈100 ft, 30 m) grid, land only, inside the Census CDP boundary (TIGER, Jan 1 2026).
- 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, 2,750 ft at 40.0179° N, 121.0812° W, is in such a hollow or patch and is not counted.
- Nearby Places: nearby towns and rankings use each town's typical elevation, so every town is compared like for like. Rankings count every city, town, township and census-designated place, including places inside a town. Peaks and hills: the nearest summits with at least 980 ft (300 m) of prominence within 62 mi (100 km), then federal (GNIS) summits within 16 mi (25 km) 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).
- 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 (FAA airport elevation, 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.
- Twain is an unincorporated community; figures cover the census-designated place, a statistical area.
- Sources: USGS 3DEP, GNIS, Watershed Boundary Dataset and physiographic provinces; U.S. Census Bureau (boundaries, 2020 blocks, Gazetteer areas, ZIP code areas); FAA airport data; BTS time zones; NOAA NGS survey heights. All public domain.