Cirque

corriecirquescorriesglacial cirqueCoirecwmcwmsglacial cirquesChoirehollow
A cirque (French, from the Latin word circus) is an amphitheatre-like valley formed by glacial erosion.wikipedia
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Tarn (lake)

tarntarnslake
If the cirque is subject to seasonal melting, the floor of the cirque most often forms a tarn (small lake) behind a dam which marks the downstream limit of the glacial overdeepening: the dam itself can be composed of moraine, glacial till, or a lip of the underlying bedrock.
A tarn (or corrie loch) is a mountain lake, pond or pool, formed in a cirque excavated by a glacier.

Valley

river valleyhanging valleyvalleys
A cirque (French, from the Latin word circus) is an amphitheatre-like valley formed by glacial erosion.
Usually this fact is the result of a violent erosion of the former valley shoulders, a special genesis found also at arêtes and glacial cirques, at every Scottish glen, or in a northern fjord.

Pyramidal peak

peakhornsglacial horn
When three or more cirques erode toward one another, a pyramidal peak is created.
A pyramidal peak, sometimes called a glacial horn in extreme cases, is an angular, sharply pointed mountain peak which results from the cirque erosion due to multiple glaciers diverging from a central point.

Arête

Aretearetescliffs
If two adjacent cirques erode toward one another, an arête, or steep sided ridge, forms.
Arêtes can also form when two glacial cirques erode headwards towards one another, although frequently this results in a saddle-shaped pass, called a col.

Matterhorn

CervinoThe MatterhornMatterhorn / Cervino
The Matterhorn in the European Alps is an example of such a peak.
The mountain's current shape is the result of cirque erosion due to multiple glaciers diverging from the peak, such as the Matterhorn Glacier at the base of the north face.

Overdeepening

overdeepeneddeepenedglacial overdeepening
The floor of the cirque ends up bowl-shaped as it is the complex convergence zone of combining ice flows from multiple directions and their accompanying rock burdens: hence it experiences somewhat greater erosion forces, and is most often overdeepened below the level of the cirque's low-side outlet (stage) and its down slope (backstage) valley.
Rapid subglacial erosion produced overdeepenings, which have the glacier bed rising in the direction of the ice flow, may form in cirques near glacier heads.

Zastler Loch

Where cirques form one behind the other, a cirque stairway results as at the Zastler Loch in the Black Forest.
The Zastler Loch or Zastler Cirque (Zastlerkar) on the northern side of the Feldberg summit in the Black Forest is the highest cirque in the German Central Uplands.

Cirque stairway

Where cirques form one behind the other, a cirque stairway results as at the Zastler Loch in the Black Forest.
Their individual formation is that of a cirque.

Black Forest

SchwarzwaldThe Black ForestBlack Forest Mountains
Where cirques form one behind the other, a cirque stairway results as at the Zastler Loch in the Black Forest.
Apart from that, it is only discernible from a large number of cirques mainly facing northeast.

Blue Lake (New South Wales)

Blue LakeBlue Lake Cirque
Blue Lake Cirque, New South Wales, Australia
The Blue Lake is one of only four cirque lakes found in mainland Australia.

Headwall

The highest cliff often is called a headwall.
In physical geography and geology the headwall of a glacial cirque is its highest cliff.

Bergschrund

bergschrundsThe Bergschrund
A bergschrund forms when the movement of the glacier separates the moving ice from the stationary ice forming a crevasse.
In a corrie or cirque, the bergschrund is positioned at the rear, parallel to the back wall of the corrie.

Cirque du Bout du Monde (Côte d'Or)

Cirque du Bout du Monde
The Cirque du Bout du Monde is another such a feature, created in karst terraine in the Burgundy region of the department of Côte-d'Or in France.
The Cirque du Bout du Monde (French: Cirque at the Edge of the World) is a steephead valley and cirque in Burgundy, in the département of Côte-d'Or near the vineyards of Beaune.

Circo de Gredos

Circo de Gredos, Sierra de Gredos, Spain
The Circo de Gredos is a glacial cirque in the central part of the north slope of the Sierra de Gredos (the main range in the Sistema Central mountains in central Spain).

Cirque de Gavarnie

Cirques of GavarnieGavarnie
Cirque de Gavarnie, Pyrenees, France
The Cirque de Gavarnie is a cirque in the central Pyrenees, in Southwestern France, close to the border of Spain.

Coire an t-Sneachda

Coire an t-Sneachda, Grampian Mountains in the Scottish Highlands
Coire an t-Sneachda (sometimes misspelled as Coire an t'Sneachda) is a glacial cirque or corrie landform in the Cairngorm or Am Monadh Ruadh mountain range in the Grampian Mountains of the Scottish Highlands.

Cirque d'Estaubé

Estaubé
Cirque d'Estaubé, Pyrenees, France
The Cirque d'Estaubé is a cirque in the central Pyrenees in the Pyrenees National Park, forming the frontier between France and Spain.

Śnieżne Kotły

Śnieżne Kotły, Karkonosze, Poland
Śnieżne Kotły (1175 m, Sněžné jámy, Schneegruben, literally Snowy Pits, Snowy Cirque, Snowy Cwm) are two glacial cirques situated in Poland in the Sudetes in the Karkonosze National Park.

Pyrenees

PyreneanPyrenees MountainsPyrénées
Cirque de Gavarnie, Pyrenees, France Cirque d'Estaubé, Pyrenees, France
the frequency with which the upper end of a valley assumes the form of a semicircle of precipitous cliffs, called a cirque.

Krkonoše

Giant MountainsKarkonoszeRiesengebirge
Śnieżne Kotły, Karkonosze, Poland
While most of the Sudetes are middle-sized mountains Mittelgebirgen, Krkonoše has a few characteristics proper of high mountains such as glacial cirques, small periglacial landforms and an elevation significantly above the tree line.

Nivation

nivation hollows
The process of nivation follows, whereby a hollow in a slope may be enlarged by ice segregation weathering and glacial erosion.
Over time, this leads to the formation of nivation hollows which, when enlarged, can be the beginnings of a cirque.

Iceberg Cirque

Iceberg Cirque, Montana, United States
The Iceberg Cirque is a large cirque that has been carved out by glaciation.

Great Gulf

Great Gulf, New Hampshire, United States
The Great Gulf is a glacial cirque, or amphitheater-like valley head formed from a glacier by erosion, located in the White Mountains of New Hampshire.

Tuckerman Ravine

Tuckerman
Tuckerman Ravine, New Hampshire, United States
Tuckerman Ravine is a glacial cirque sloping eastward on the southeast face of Mt. Washington, in the White Mountains of New Hampshire.

Chandra Taal

Chandra Taal LakeChandrataalChandratal Lake
Chandra Taal, Himachal Pradesh, India
Mountains of scree overlook the lake on one side, and a cirque encloses it on the other.