United States Show cave
Indian Echo Caverns
11 °C inside, all year.
Spika · CC BY-SA 4.0
The descent
The entrance, at 116 m.
The real relief above Indian Echo Caverns, measured on the Copernicus model every 30 m, and the cave going down at the same vertical scale.
The depth is the one published by those who explored it; the shape of the galleries is a sketch, not a survey. No depth has been published for this cave yet.
116m
Entrance altitude
from the 30 m relief model
11°C
Inside, all year
the yearly average outside, at the entrance
27m
Rock above
the highest point within 1.5 km
Inside and outside
11 °C inside, all year.
Deep inside, a cave keeps the average temperature of the year outside: about 11 °C here, in January and in August. In July the afternoon reaches 30 °C at the entrance, 19 °C warmer than inside: take a jacket. The best months to escape the heat are from June to August.
- 2°-6°Jan
- 3°-6°Feb
- 9°-2°Mar
- 17°4°Apr
- 22°11°May
- 27°16°Jun
- 30°19°Jul
- 30°18°Aug
- 26°14°Sep
- 18°7°Oct
- 11°1°Nov
- 4°-3°Dec
Outside: afternoon and night averages for 1991–2020 (NASA POWER) brought to the altitude of the entrance. Inside: the yearly average, which deep parts of a cave keep. Near the entrance it follows the weather a little.
Cave in Pennsylvania, United States
Indian Echo Caverns is a show cave in United States. The entrance is at 116 m. It has an underground river and stalactites and stalagmites. It is open to visitors.
Getting there.
- Show cave: open to visitorsticket requiredOfficial site↗
- Hummelstownnearest town · 1.6 km in a straight line
- Parking 150 m awaynearest car park in OpenStreetMap, straight line
- Harrisburg International Airport (MDT)nearest airport with scheduled flights · 8 km in a straight lineCar hire at MDT airport (Harrisburg)Discover Cars · sponsored link↗
Plan the visit
Guided tours, a bed nearby, a car.
Some links above are affiliate links: if you book through them we may earn a commission, at no extra cost to you. It never changes what the data on this page says.
The water
The Swatara Creek runs highest from March to June and from September to November.
The Swatara Creek carries about 23 m³/s on average here. It runs highest from March to June and from September to November.
- 10 m³/sJan
- 14 m³/sFeb
- 48 m³/sMar
- 68 m³/sApr
- 53 m³/sMay
- 35 m³/sJun
- 21 m³/sJul
- 9.9 m³/sAug
- 35 m³/sSep
- 54 m³/sOct
- 28 m³/sNov
- 15 m³/sDec
From about 9.9 m³/s in the lowest month to 68 m³/s in the highest. Its basin above this point covers 1,417 km².
Estimate: long-term flow from the HydroATLAS model (WaterGAP, 1971–2000) shaped by the monthly rain, snow and temperature of the area (NASA POWER). Dams change it. Not a forecast.
From above.
The ground above the cave, with the relief shaded, the line of the section and what people have mapped around the entrance.
N
1.5 km
Sentinel-2 cloudless 2016 (EOX, CC BY 4.0), 6.0 × 6.0 km, north up. The line is the section above. Points © OpenStreetMap contributors.
Around the entrance.
- 1other cave entrances within 3 kmIndian Echo Caverns
- 40car parks within 2 km
- 2information boards and visitor centres within 3 km
- 2campsites within 8 kmHersheypark Camping Resort, Harrisburg East Campground and Storage
- 57hotels and guesthouses within 8 kmHershey Travel Inn, Howard Johnson Inn Hershey, Hampton Inn & Suites Hershey Near The Park and 54 more
- 21restaurants and cafés within 3 km
- springs within 2 km
- sinkholes within 3 km
- caving clubs and spots within 15 km
- viewpoints within 3 km
- marked hiking routes within 3 km
- climbing crags within 3 km
- named waterfalls within 4 km
- bus stops within 2 km
Counted in OpenStreetMap, the map anyone can edit, around the entrance. A low number may just mean nobody has mapped it yet. © OpenStreetMap contributors (ODbL).
Towns nearby
- Hummelstown1.6 km in a straight line
- Rutherford4.7 km in a straight line
- Middletown6.0 km in a straight line
- Hershey6.7 km in a straight line
- Lawnton7.4 km in a straight line
- Royalton7.4 km in a straight line
- Highspire7.8 km in a straight line
- Colonial Park9.5 km in a straight line
In our other atlases
What else is around Indian Echo Caverns.
The river at the entrance, the waterfalls, the lakes, the mountains and volcanoes above, the canyons, beaches and islands nearby — from our other atlases.
Peakyas1 mountains within 10 kmFigures from the sister sites' databases (Wikidata, HydroATLAS, GeoNames, NOAA, OpenStreetMap). Links open when each site is online.
Month by month
The weather outside, at the entrance.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Afternoon | 2 | 3 | 9 | 17 | 22 | 27 | 30 | 30 | 26 | 18 | 11 | 4 |
| Afternoon | 2 | 3 | 9 | 17 | 22 | 27 | 30 | 30 | 26 | 18 | 11 | 4 |
| Night | -6 | -6 | -2 | 4 | 11 | 16 | 19 | 18 | 14 | 7 | 1 | -3 |
| Rain (mm) | 70 | 68 | 82 | 94 | 106 | 115 | 116 | 105 | 119 | 109 | 77 | 92 |
| Rainy days | 9 | 8 | 10 | 11 | 13 | 14 | 14 | 13 | 10 | 9 | 8 | 9 |
| Sun hours/day | 3.5 | 4.7 | 5.2 | 6.4 | 6.7 | 7.9 | 8.4 | 7.3 | 6.3 | 4.8 | 4.2 | 2.9 |
| Snow on the ground (cm) | 15 | 15 | 9 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 13 |
| Afternoon | Afternoon | Night | Rain (mm) | Sun hours/day | |
|---|---|---|---|---|---|
| Jan | 2 | 2 | -6 | 70 | 3.5 |
| Feb | 3 | 3 | -6 | 68 | 4.7 |
| Mar | 9 | 9 | -2 | 82 | 5.2 |
| Apr | 17 | 17 | 4 | 94 | 6.4 |
| May | 22 | 22 | 11 | 106 | 6.7 |
| Jun | 27 | 27 | 16 | 115 | 7.9 |
| Jul | 30 | 30 | 19 | 116 | 8.4 |
| Aug | 30 | 30 | 18 | 105 | 7.3 |
| Sep | 26 | 26 | 14 | 119 | 6.3 |
| Oct | 18 | 18 | 7 | 109 | 4.8 |
| Nov | 11 | 11 | 1 | 77 | 4.2 |
| Dec | 4 | 4 | -3 | 92 | 2.9 |
Averages 1991–2020 (NASA POWER) for a cell about 55 km wide, brought to the altitude of the entrance (116 m) with the standard lapse rate. Not a forecast.
Photographs
Inside and around.
Recent years
Wet years, dry years.
Rain of each month as a share of the 1991–2020 average. A dry year means a lower river and hotter rock; a wet one, more water in the gorge.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020 | 105% | 98% | 120% | 147% | 56% | 77% | 76% | 109% | 46% | 87% | 127% | 116% |
| 2021 | 63% | 139% | 82% | 63% | 96% | 63% | 131% | 145% | 207% | 84% | 58% | 38% |
| 2022 | 79% | 137% | 88% | 87% | 135% | 79% | 55% | 80% | 90% | 84% | 117% | 123% |
| 2023 | 106% | 50% | 81% | 118% | 12% | 80% | 136% | 104% | 94% | 60% | 71% | 160% |
| 2024 | 202% | 85% | 128% | 138% | 111% | 68% | 90% | 157% | 56% | 14% | 79% | 90% |
| 2025 | 33% | 76% | 63% | 71% | 206% | 109% | 100% | 37% | 40% | 81% | 47% | 57% |
130% or more: wet month 70% or less: dry month
Caves nearby.
Indian Echo Caverns
United States
- —Depth
- —Galleries
- 116 mEntrance altitude
- 11 °CInside, all year
Crystal Cave
United States · 80 km
- —Depth
- —Galleries
- 140 mEntrance altitude
- 11 °CInside, all year
Crystal Grottoes
United States · 117 km
- —Depth
- —Galleries
- 146 mEntrance altitude
- 12 °CInside, all year
Coudersport Ice Mine
United States · 197 km
- —Depth
- —Galleries
- 597 mEntrance altitude
- 0 °CInside, all year
Where these figures come from
| Name, type, published depth and length, visitors | Wikidata (Q15228646) · CC0 |
|---|---|
| The relief above, the entrance altitude, the section and the 3D model | Copernicus DEM GLO-30 · © DLR e.V., © Airbus Defence and Space GmbH, Copernicus/ESA |
| River flow and basin | HydroATLAS / RiverATLAS v1.0 (Linke et al. 2019) · CC BY 4.0 |
| Climate | NASA POWER, 1991–2020 |
| Entrances, springs, sinkholes, opening hours and what is around | © OpenStreetMap contributors · ODbL |
| Images | EOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons |
| Rivers, waterfalls, lakes, mountains, canyons, beaches and islands nearby | Coastya, Lakeyas, Peakyas, Cascadyas, Islandyas, Riveryas |
Every figure is an average, an estimate or a count from a public dataset. Licences and methods: data sources.
The family
Do you prefer beaches, lakes, mountains, waterfalls, islands, rivers, canyons, caves, dark skies, viewpoints, birdwatching or forests?
Same idea, other landscapes: field atlases built on open data, month by month, in seven languages.
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