It is situated 56 km (35 mi) north of Kaslo, 48 km (30 mi) west of Invermere, immediately south of Starbird Pass, 7 km (4.3 mi) east of Mount Macduff, and its nearest higher peak is Jumbo Mountain, 9 km (5.6 mi) to the east.

The first ascent of the mountain was made in August 1911 by E. W. Harnden, M. Coffin, and J. Poorman via the southeast ridge.

[1] The peak was named by Edward Warren Harnden after his mother.

[2] Based on the Köppen climate classification, Mount Monica is located in a subarctic climate zone with cold, snowy winters, and mild summers.

Precipitation runoff from Mount Monica and meltwater from its surrounding glaciers drains west into Glacier Creek which is a  tributary of the Duncan River, or east into Horsethief Creek, which is a tributary of the Columbia River.