Midtre Folgefonna is the smallest of the three ice caps of Folgefonna. The ice cap covers an area of 10.4 km2 (2002). The mass balance was measured in 1970 and 1971.
| Year | Winter balance (m.w.e.) | Summer balance (m.w.e.) | Annual balance (m.w.e.) |
|---|---|---|---|
| 1970 | 2.07 | -2.69 | -0.62 |
| 1971 | 2.33 | -1.96 | 0.37 |