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Morona

Morona

Overview
The Morona is a tributary
Tributary
A tributary is a stream or river which flows into a main stem river. A tributary does not flow directly into a sea. Tributaries and the mainstem river serve to drain the surrounding drainage basin of its surface water and groundwater by leading the water out into an ocean or some other large body...

 to the Amazon River
Amazon River
The Amazon River of South America is the largest river in the world by volume, with a total river flow greater than the next eight largest rivers combined. The Amazon, which has the largest drainage basin in the world, accounts for approximately one-fifth of the world's total river flow. During...

, and flows parallel to the Pastaza River
Pastaza River
The Pastaza is a large tributary to the Amazon River.It has its headwaters in the province of Tungurahua, where the Tambo River joins the Latacunga River, near the foot of the Volcano Tungurahua, flowing south-east towards the Amazon Basin...

 and immediately to the west of it, and is the last stream of any importance on the northern side of the Amazon before reaching the Pongo de Manseriche
Pongo de Manseriche
The Pongo de Manseriche is a gorge in northwest Peru. The Marañón River runs through this gorge before it reaches the Amazon Basin.The Pongo de Manseriche is 3 miles long, located at 4° 27' 30" south latitude and 77° 34' 51" west longitude, just below the mouth of the Rio Santiago, and between it...

.

It is formed from a multitude of water-courses which descend the slopes of the Ecuador
Ecuador
Ecuador , officially the Republic of Ecuador , literally, "Republic of the equator") is a representative democratic republic in South America, bordered by Colombia on the north, Peru on the east and south, and by the Pacific Ocean to the west. It is one of only two countries in South America that...

ian Andes
Andes
The Andes are the world's longest exposed mountain range. They lie as a continuous chain of highland along the western coast of South America...

 south of the gigantic volcano of Sangay
Sangay
Sangay is a constantly active stratovolcano in southeastern Ecuador. It is the southernmost and most active volcano in the country, and is known for its explosive venting of thick ash clouds, which has built a dome since 1976.-See also:...

; but it soon reaches the plain, which commences where it receives its Cusulima branch.
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Encyclopedia
The Morona is a tributary
Tributary
A tributary is a stream or river which flows into a main stem river. A tributary does not flow directly into a sea. Tributaries and the mainstem river serve to drain the surrounding drainage basin of its surface water and groundwater by leading the water out into an ocean or some other large body...

 to the Amazon River
Amazon River
The Amazon River of South America is the largest river in the world by volume, with a total river flow greater than the next eight largest rivers combined. The Amazon, which has the largest drainage basin in the world, accounts for approximately one-fifth of the world's total river flow. During...

, and flows parallel to the Pastaza River
Pastaza River
The Pastaza is a large tributary to the Amazon River.It has its headwaters in the province of Tungurahua, where the Tambo River joins the Latacunga River, near the foot of the Volcano Tungurahua, flowing south-east towards the Amazon Basin...

 and immediately to the west of it, and is the last stream of any importance on the northern side of the Amazon before reaching the Pongo de Manseriche
Pongo de Manseriche
The Pongo de Manseriche is a gorge in northwest Peru. The Marañón River runs through this gorge before it reaches the Amazon Basin.The Pongo de Manseriche is 3 miles long, located at 4° 27' 30" south latitude and 77° 34' 51" west longitude, just below the mouth of the Rio Santiago, and between it...

.

It is formed from a multitude of water-courses which descend the slopes of the Ecuador
Ecuador
Ecuador , officially the Republic of Ecuador , literally, "Republic of the equator") is a representative democratic republic in South America, bordered by Colombia on the north, Peru on the east and south, and by the Pacific Ocean to the west. It is one of only two countries in South America that...

ian Andes
Andes
The Andes are the world's longest exposed mountain range. They lie as a continuous chain of highland along the western coast of South America...

 south of the gigantic volcano of Sangay
Sangay
Sangay is a constantly active stratovolcano in southeastern Ecuador. It is the southernmost and most active volcano in the country, and is known for its explosive venting of thick ash clouds, which has built a dome since 1976.-See also:...

; but it soon reaches the plain, which commences where it receives its Cusulima branch. The Morona is navigable for small craft for about 300 miles above its mouth, but it is extremely tortuous. Canoe
Canoe
A canoe is a small narrow boat, typically human-powered, though it may also be powered by sails or small electric or gas motors. Canoes usually are pointed at both bow and stern and are normally open on top, but can be decked over .In its human-powered form, the canoe is propelled by the use of...

s may ascend many of its branches, especially the Cusuhma and the Miazal, the latter almost to the base of Sangay. The Morona has been the scene of many rude explorations, with the hope of finding it serviceable as a commercial route between the inter-Andean tableland of Ecuador and the Amazon river.