| Store Fornestinden | |
| Coordinates: | 69.5651°N 19.9283°W[1] |
| Location: | Troms, Norway |
| Elevation M: | 1477 |
| Elevation Ref: | [2] |
| Range: | Lyngen Alps |
| First Ascent: | 3 August 1898 by Geoffrey Hastings, William C. Slingsby and Walter Perry Haskett-Smith |
Store Fornestinden is a mountain in Tromsø Municipality in Troms county, Norway. The highest peak of any mountain in the eastern part of the municipality. The 1477m (4,846feet) tall mountain lies about east of the city of Tromsø and about west of the village of Lyngseidet in the neighboring Lyngen Municipality. The mountain is on the southern shore of the Kjosen fjord, an arm of the large Ullsfjorden.
The mountain consists of two peaks, the highest being Store Fornestinden at . The second peak named Litle Fornestinden, is slightly more northerly with a height of . The mountain is located in the Lyngen Alps, part of the Scandinavian Mountains.