Big Thompson River Digital GPS Mobile Fishing Map

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This is a digital GPS accurate mobile fishing map of the Big Thompson River and the Cache la Poudre River in Colorado which works in the free Avenza PDF Map App.  Search Avenza PDF Map App in either your Google Play Store or Apple App Store.  Download and install the app. Open the app, maps tab.  + Sign and then the QR Code Reader Icon.  Scan this code.

You can also click on the link below:

Big Thompson River Fishing Map and Fly Fishing Map


We use the Avenza PDF Maps App to display our maps on your smartphone because Avenza Systems Inc has been the premiere GIS and cartographic software developer for decades. Other notable companies such as National Geographic, Dept. of Forestry, US Army Cops of Engineers, New York Times and Time Magazine use their app. To date, Map the Xperience has over 25,000 map downloads using the Avenza app.

You can also visit our Map the Xperience digital products on the Avenza site

This map features the Big Thompson River below Olympus Dam. The Big Thompson River has its start in the high mountains of Rocky Mountain National Park in Forrest Canyon, flows down through the town of Estes Park where it makes a brief stop at Lake Estes, before continuing its journey though the canyon along Highway 34 to Loveland.

The Big Thompson River below Olympus Dam is a famous trout river which historically attracted thousands of anglers each year. Fishing for brown and rainbow trout can be good to great almost year round. Fishing within the catch and release section (Watonia bridge to Olympus Dame) will produce good numbers.