There are a huge number of walking options from Keswick. I have split them into walks heading south from Keswick and heading north.
Briar Rigg, Keswick - Latrigg - Brundholme - Keswick Railway footpath - Fitz Park - Briar Rigg [5.75 miles 950ft ascent]
Moot Hall, Keswick - Briar Rigg - Latrigg - Brundholme Woods - Moot Hall [6.25 miles 950ft ascent]
Briar Rigg, Keswick - Latrigg Woods - Latrigg - Briar Rigg [3.50 miles 950ft ascent]
Briar Rigg, Keswick - Latrigg - Brundholme - Keswick Railway footpath - Fitz Park - Briar Rigg [5.50 miles 950ft ascent]
Briar Rigg, Keswick - Latrigg - Brundholme - Keswick Railway footpath - Fitz Park - Briar Rigg [5.50 miles 950ft ascent]
Briar Rigg, Keswick - Fitz Park - Keswick Railway footpath - Brundholme - Latrigg - Briar Rigg [5.50 miles 950ft ascent]
Moot Hall, Keswick - Latrigg - Brundholme - Keswick Railway footpath - Moot Hall [6.00 miles 950ft ascent]
Moot Hall, Keswick - Latrigg - Brundholme - Keswick Railway footpath - Moot Hall [6.00 miles 950ft ascent]
Sat 22 Jan 2011 - Five Skiddaw Fells
Briar Rigg, Keswick - Latrigg car park (end of Gale Road) - Lonscale Fell - Jenkin Hill - Skiddaw Lesser Man - Skiddaw Little Man - Skiddaw - Bakestall - Birkett Edge - Cumbria Way - Skiddaw House - Glenderaterra valley - Latrigg car park - Latrigg - Briar Rigg [14.00 miles 4,150ft ascent]
Sat 18 Dec 2010 - Skiddaw from Keswick
Briar Rigg, Keswick - Latrigg car park (end of Gale Road) - Jenkin Hill - Skiddaw - Skiddaw Little Man - Skiddaw Lesser Man - Jenkin Hill - Latrigg car park - Briar Rigg [9.00 miles 3,025ft ascent]
Sat 11 Dec 2010 - Latrigg and Castlerigg
Moot Hall, Keswick - Latrigg - Brundholme - road - Castlerigg Stone Circle - Castle Lane - Springs Wood - Moot Hall [8.00 miles 1,300ft ascent]
Briar Rigg, Keswick - Latrigg - Brundholme - Keswick Railway footpath - Briar Rigg [5.50 miles 950ft ascent]
Briar Rigg, Keswick - Cumbria Way - Latrigg - Briar Rigg [3.50 miles 950ft ascent]
Sat 26 May 2007 - Scales to Keswick
Scales - above Mousthwaite Comb - Scales Tarn - Sharp Edge - Blencathra - Hall's Fell Ridge - Gategill - Threlkeld - Keswick Railway footpath - Moot Hall, Keswick [8.25 miles 2,250ft ascent]
Moot Hall, Keswick - Latrigg car park (end of Gale Road) - Lonscale Fell - Jenkin Hill - Skiddaw Lesser Man - Skiddaw Little Man - Skiddaw - Jenkin Hill - Latrigg car park - Moot Hall [11.50 miles 3,250ft ascent]
Moot Hall, Keswick - Latrigg car park (end of Gale Road) - Jenkin Hill - Skiddaw - Jenkin Hill - Latrigg car park - Moot Hall [10.00 miles 2,900ft ascent]
Moot Hall, Keswick - Millbeck - Carsleddam - Carl Side - Carlside Tarn - Skiddaw - north col - Hare Crag - Skiddaw House - Glenderaterra valley - Latrigg car park (end of Gale Road) - Latrigg - Moot Hall [12.25 miles 3,500ft ascent]
Moot Hall, Keswick - Latrigg - Brundholme - Keswick Railway footpath - Moot Hall [5.75 miles 950ft ascent]
Briar Rigg, Keswick - Latrigg - Latrigg Woods - Briar Rigg [3.50 miles 950ft ascent]
Thu 29 Dec 2005 - Longside Edge and Skiddaw
Mirehouse, The Old Sawmill Tea Room - Ullock Pike - Long Side - Carl Side - Carlside Tarn - Skiddaw - Skiddaw Little Man - Latrigg car park (end of Gale Road) - Briar Rigg, Keswick [8.50 miles 3,250ft ascent]
Briar Rigg, Keswick - Latrigg - Brundholme - Keswick Railway footpath - Fitz Park - Briar Rigg [5.50 miles 950ft ascent]
Briar Rigg, Keswick - Latrigg - Brundholme - Keswick Railway footpath - Briar Rigg [5.50 miles 950ft ascent]
Moot Hall, Keswick - Latrigg - Latrigg Woods - Moot Hall [4.00 miles 950ft ascent]
Moot Hall, Keswick - Latrigg - Moot Hall [4.50 miles 950ft ascent]
Moot Hall, Keswick - Skiddaw - Moot Hall [10.00 miles 2,900ft ascent]
Moot Hall, Keswick - Latrigg - Moot Hall [4.50 miles 950ft ascent]
Moot Hall, Keswick - Skiddaw - Moot Hall
Sun 1 May 1988 - The Four 3000s
Keswick, Moot Hall - Millbeck - Carl Side - Skiddaw - St John's in the Vale - Helvellyn - Wythburn - Stake Pass - Angle Tarn - Esk Hause - Scafell Pike - Foxes Tarn - Scafell - Corridor Route - Sty Head - Seathwaite, Borrowdale